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Finding the Fourth Proportional to 750,406.56, 1,036,469.88 and 546,133.56

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Solution

The fourth proportional to 750,406.56, 1,036,469.88 and 546,133.56 is: 754,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,406.56 : 1,036,469.88 = 546,133.56 : x
  2. Step 2: Convert to fraction form
    750,406.56/1,036,469.88 = 546,133.56/x
  3. Step 3: Cross multiply
    750,406.56x = 1,036,469.88 × 546,133.56
  4. Step 4: Simplify right side
    750,406.56x = 566,050,985,397.17
  5. Step 5: Solve for x
    x = 566,050,985,397.17/750,406.56
  6. Step 6: Final answer
    x = 754,325.74

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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.