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Finding the Fourth Proportional to 976,714.90, 1,347,802.41 and 546,896.50

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Solution

The fourth proportional to 976,714.90, 1,347,802.41 and 546,896.50 is: 754,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,714.90 : 1,347,802.41 = 546,896.50 : x
  2. Step 2: Convert to fraction form
    976,714.90/1,347,802.41 = 546,896.50/x
  3. Step 3: Cross multiply
    976,714.90x = 1,347,802.41 × 546,896.50
  4. Step 4: Simplify right side
    976,714.90x = 737,108,420,720.57
  5. Step 5: Solve for x
    x = 737,108,420,720.57/976,714.90
  6. Step 6: Final answer
    x = 754,681.25

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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.