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Finding the Fourth Proportional to 529,097.94, 730,160.51 and 287,385.23

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Solution

The fourth proportional to 529,097.94, 730,160.51 and 287,385.23 is: 396,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,097.94 : 730,160.51 = 287,385.23 : x
  2. Step 2: Convert to fraction form
    529,097.94/730,160.51 = 287,385.23/x
  3. Step 3: Cross multiply
    529,097.94x = 730,160.51 × 287,385.23
  4. Step 4: Simplify right side
    529,097.94x = 209,837,341,015.54
  5. Step 5: Solve for x
    x = 209,837,341,015.54/529,097.94
  6. Step 6: Final answer
    x = 396,594.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.