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Finding the Fourth Proportional to 363,670.90, 545,506.35 and 237,699.70

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Solution

The fourth proportional to 363,670.90, 545,506.35 and 237,699.70 is: 356,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,670.90 : 545,506.35 = 237,699.70 : x
  2. Step 2: Convert to fraction form
    363,670.90/545,506.35 = 237,699.70/x
  3. Step 3: Cross multiply
    363,670.90x = 545,506.35 × 237,699.70
  4. Step 4: Simplify right side
    363,670.90x = 129,666,695,743.10
  5. Step 5: Solve for x
    x = 129,666,695,743.10/363,670.90
  6. Step 6: Final answer
    x = 356,549.55

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1.5x scale

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.