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Finding the Fourth Proportional to 594,521.11, 891,778.53 and 145,244.50

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Solution

The fourth proportional to 594,521.11, 891,778.53 and 145,244.50 is: 217,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,521.11 : 891,778.53 = 145,244.50 : x
  2. Step 2: Convert to fraction form
    594,521.11/891,778.53 = 145,244.50/x
  3. Step 3: Cross multiply
    594,521.11x = 891,778.53 × 145,244.50
  4. Step 4: Simplify right side
    594,521.11x = 129,525,926,700.59
  5. Step 5: Solve for x
    x = 129,525,926,700.59/594,521.11
  6. Step 6: Final answer
    x = 217,865.98

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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.