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Finding the Fourth Proportional to 628,347.74, 935,866.63 and 625,285.94

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Solution

The fourth proportional to 628,347.74, 935,866.63 and 625,285.94 is: 931,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,347.74 : 935,866.63 = 625,285.94 : x
  2. Step 2: Convert to fraction form
    628,347.74/935,866.63 = 625,285.94/x
  3. Step 3: Cross multiply
    628,347.74x = 935,866.63 × 625,285.94
  4. Step 4: Simplify right side
    628,347.74x = 585,184,245,454.18
  5. Step 5: Solve for x
    x = 585,184,245,454.18/628,347.74
  6. Step 6: Final answer
    x = 931,306.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.