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Finding the Fourth Proportional to 976,715.40, 1,347,803.10 and 546,897

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Solution

The fourth proportional to 976,715.40, 1,347,803.10 and 546,897 is: 754,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,715.40 : 1,347,803.10 = 546,897 : x
  2. Step 2: Convert to fraction form
    976,715.40/1,347,803.10 = 546,897/x
  3. Step 3: Cross multiply
    976,715.40x = 1,347,803.10 × 546,897
  4. Step 4: Simplify right side
    976,715.40x = 737,109,471,980.70
  5. Step 5: Solve for x
    x = 737,109,471,980.70/976,715.40
  6. Step 6: Final answer
    x = 754,681.94

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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.