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Finding the Fourth Proportional to 555,802.04, 766,996.80 and 314,079.44

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Solution

The fourth proportional to 555,802.04, 766,996.80 and 314,079.44 is: 433,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,802.04 : 766,996.80 = 314,079.44 : x
  2. Step 2: Convert to fraction form
    555,802.04/766,996.80 = 314,079.44/x
  3. Step 3: Cross multiply
    555,802.04x = 766,996.80 × 314,079.44
  4. Step 4: Simplify right side
    555,802.04x = 240,897,925,425.79
  5. Step 5: Solve for x
    x = 240,897,925,425.79/555,802.04
  6. Step 6: Final answer
    x = 433,423.97

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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.