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Finding the Fourth Proportional to 524,901.60, 787,352.40 and 516,153.60

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Solution

The fourth proportional to 524,901.60, 787,352.40 and 516,153.60 is: 774,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,901.60 : 787,352.40 = 516,153.60 : x
  2. Step 2: Convert to fraction form
    524,901.60/787,352.40 = 516,153.60/x
  3. Step 3: Cross multiply
    524,901.60x = 787,352.40 × 516,153.60
  4. Step 4: Simplify right side
    524,901.60x = 406,394,775,728.64
  5. Step 5: Solve for x
    x = 406,394,775,728.64/524,901.60
  6. Step 6: Final answer
    x = 774,230.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.