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Finding the Fourth Proportional to 607,854.66, 910,966.95 and 473,081.46

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Solution

The fourth proportional to 607,854.66, 910,966.95 and 473,081.46 is: 708,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,854.66 : 910,966.95 = 473,081.46 : x
  2. Step 2: Convert to fraction form
    607,854.66/910,966.95 = 473,081.46/x
  3. Step 3: Cross multiply
    607,854.66x = 910,966.95 × 473,081.46
  4. Step 4: Simplify right side
    607,854.66x = 430,961,574,717.75
  5. Step 5: Solve for x
    x = 430,961,574,717.75/607,854.66
  6. Step 6: Final answer
    x = 708,987.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.