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Finding the Fourth Proportional to 650,610.81, 896,238.66 and 553,503.71

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Solution

The fourth proportional to 650,610.81, 896,238.66 and 553,503.71 is: 762,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,610.81 : 896,238.66 = 553,503.71 : x
  2. Step 2: Convert to fraction form
    650,610.81/896,238.66 = 553,503.71/x
  3. Step 3: Cross multiply
    650,610.81x = 896,238.66 × 553,503.71
  4. Step 4: Simplify right side
    650,610.81x = 496,071,418,874.24
  5. Step 5: Solve for x
    x = 496,071,418,874.24/650,610.81
  6. Step 6: Final answer
    x = 762,470.30

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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.