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Finding the Fourth Proportional to 922,359.72, 1,383,959.93 and 473,395.83

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Solution

The fourth proportional to 922,359.72, 1,383,959.93 and 473,395.83 is: 710,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,359.72 : 1,383,959.93 = 473,395.83 : x
  2. Step 2: Convert to fraction form
    922,359.72/1,383,959.93 = 473,395.83/x
  3. Step 3: Cross multiply
    922,359.72x = 1,383,959.93 × 473,395.83
  4. Step 4: Simplify right side
    922,359.72x = 655,160,857,382.11
  5. Step 5: Solve for x
    x = 655,160,857,382.11/922,359.72
  6. Step 6: Final answer
    x = 710,309.48

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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.