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Finding the Fourth Proportional to 529,810.40, 794,715.60 and 472,073.60

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Solution

The fourth proportional to 529,810.40, 794,715.60 and 472,073.60 is: 708,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,810.40 : 794,715.60 = 472,073.60 : x
  2. Step 2: Convert to fraction form
    529,810.40/794,715.60 = 472,073.60/x
  3. Step 3: Cross multiply
    529,810.40x = 794,715.60 × 472,073.60
  4. Step 4: Simplify right side
    529,810.40x = 375,164,254,268.16
  5. Step 5: Solve for x
    x = 375,164,254,268.16/529,810.40
  6. Step 6: Final answer
    x = 708,110.40

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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.