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Finding the Fourth Proportional to 529,435.96, 730,543.98 and 314,585.08

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Solution

The fourth proportional to 529,435.96, 730,543.98 and 314,585.08 is: 434,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,435.96 : 730,543.98 = 314,585.08 : x
  2. Step 2: Convert to fraction form
    529,435.96/730,543.98 = 314,585.08/x
  3. Step 3: Cross multiply
    529,435.96x = 730,543.98 × 314,585.08
  4. Step 4: Simplify right side
    529,435.96x = 229,818,236,391.82
  5. Step 5: Solve for x
    x = 229,818,236,391.82/529,435.96
  6. Step 6: Final answer
    x = 434,081.27

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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.