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Finding the Fourth Proportional to 976,718.40, 1,347,807.24 and 546,900

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Solution

The fourth proportional to 976,718.40, 1,347,807.24 and 546,900 is: 754,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,718.40 : 1,347,807.24 = 546,900 : x
  2. Step 2: Convert to fraction form
    976,718.40/1,347,807.24 = 546,900/x
  3. Step 3: Cross multiply
    976,718.40x = 1,347,807.24 × 546,900
  4. Step 4: Simplify right side
    976,718.40x = 737,115,779,556
  5. Step 5: Solve for x
    x = 737,115,779,556/976,718.40
  6. Step 6: Final answer
    x = 754,686.08

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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.