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Finding the Fourth Proportional to 553,898.97, 830,937.03 and 234,053.85

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Solution

The fourth proportional to 553,898.97, 830,937.03 and 234,053.85 is: 351,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,898.97 : 830,937.03 = 234,053.85 : x
  2. Step 2: Convert to fraction form
    553,898.97/830,937.03 = 234,053.85/x
  3. Step 3: Cross multiply
    553,898.97x = 830,937.03 × 234,053.85
  4. Step 4: Simplify right side
    553,898.97x = 194,484,010,979.07
  5. Step 5: Solve for x
    x = 194,484,010,979.07/553,898.97
  6. Step 6: Final answer
    x = 351,118.20

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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.