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Finding the Fourth Proportional to 529,833.32, 731,147.72 and 300,406.04

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Solution

The fourth proportional to 529,833.32, 731,147.72 and 300,406.04 is: 414,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,833.32 : 731,147.72 = 300,406.04 : x
  2. Step 2: Convert to fraction form
    529,833.32/731,147.72 = 300,406.04/x
  3. Step 3: Cross multiply
    529,833.32x = 731,147.72 × 300,406.04
  4. Step 4: Simplify right side
    529,833.32x = 219,641,186,062.46
  5. Step 5: Solve for x
    x = 219,641,186,062.46/529,833.32
  6. Step 6: Final answer
    x = 414,547.71

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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.