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Finding the Fourth Proportional to 573,041.20, 859,561.80 and 524,052.40

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Solution

The fourth proportional to 573,041.20, 859,561.80 and 524,052.40 is: 786,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,041.20 : 859,561.80 = 524,052.40 : x
  2. Step 2: Convert to fraction form
    573,041.20/859,561.80 = 524,052.40/x
  3. Step 3: Cross multiply
    573,041.20x = 859,561.80 × 524,052.40
  4. Step 4: Simplify right side
    573,041.20x = 450,455,424,238.32
  5. Step 5: Solve for x
    x = 450,455,424,238.32/573,041.20
  6. Step 6: Final answer
    x = 786,078.60

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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.