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Finding the Fourth Proportional to 529,159.08, 730,345.82 and 314,257.62

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Solution

The fourth proportional to 529,159.08, 730,345.82 and 314,257.62 is: 433,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,159.08 : 730,345.82 = 314,257.62 : x
  2. Step 2: Convert to fraction form
    529,159.08/730,345.82 = 314,257.62/x
  3. Step 3: Cross multiply
    529,159.08x = 730,345.82 × 314,257.62
  4. Step 4: Simplify right side
    529,159.08x = 229,516,737,598.86
  5. Step 5: Solve for x
    x = 229,516,737,598.86/529,159.08
  6. Step 6: Final answer
    x = 433,738.64

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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.