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Finding the Fourth Proportional to 922,354.47, 1,383,952.05 and 473,390.58

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Solution

The fourth proportional to 922,354.47, 1,383,952.05 and 473,390.58 is: 710,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,354.47 : 1,383,952.05 = 473,390.58 : x
  2. Step 2: Convert to fraction form
    922,354.47/1,383,952.05 = 473,390.58/x
  3. Step 3: Cross multiply
    922,354.47x = 1,383,952.05 × 473,390.58
  4. Step 4: Simplify right side
    922,354.47x = 655,149,863,641.69
  5. Step 5: Solve for x
    x = 655,149,863,641.69/922,354.47
  6. Step 6: Final answer
    x = 710,301.61

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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.