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Finding the Fourth Proportional to 524,551.60, 787,216.20 and 346,999.60

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Solution

The fourth proportional to 524,551.60, 787,216.20 and 346,999.60 is: 520,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,551.60 : 787,216.20 = 346,999.60 : x
  2. Step 2: Convert to fraction form
    524,551.60/787,216.20 = 346,999.60/x
  3. Step 3: Cross multiply
    524,551.60x = 787,216.20 × 346,999.60
  4. Step 4: Simplify right side
    524,551.60x = 273,163,706,513.52
  5. Step 5: Solve for x
    x = 273,163,706,513.52/524,551.60
  6. Step 6: Final answer
    x = 520,756.60

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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.