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Finding the Fourth Proportional to 437,565.60, 654,598.80 and 379,051.20

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Solution

The fourth proportional to 437,565.60, 654,598.80 and 379,051.20 is: 567,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,565.60 : 654,598.80 = 379,051.20 : x
  2. Step 2: Convert to fraction form
    437,565.60/654,598.80 = 379,051.20/x
  3. Step 3: Cross multiply
    437,565.60x = 654,598.80 × 379,051.20
  4. Step 4: Simplify right side
    437,565.60x = 248,126,460,658.56
  5. Step 5: Solve for x
    x = 248,126,460,658.56/437,565.60
  6. Step 6: Final answer
    x = 567,061.17

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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.