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Finding the Fourth Proportional to 473,522.20, 710,250.90 and 153,669.40

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Solution

The fourth proportional to 473,522.20, 710,250.90 and 153,669.40 is: 230,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,522.20 : 710,250.90 = 153,669.40 : x
  2. Step 2: Convert to fraction form
    473,522.20/710,250.90 = 153,669.40/x
  3. Step 3: Cross multiply
    473,522.20x = 710,250.90 × 153,669.40
  4. Step 4: Simplify right side
    473,522.20x = 109,143,829,652.46
  5. Step 5: Solve for x
    x = 109,143,829,652.46/473,522.20
  6. Step 6: Final answer
    x = 230,493.59

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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.