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Finding the Fourth Proportional to 437,543.10, 656,314.65 and 248,586.30

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Solution

The fourth proportional to 437,543.10, 656,314.65 and 248,586.30 is: 372,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,543.10 : 656,314.65 = 248,586.30 : x
  2. Step 2: Convert to fraction form
    437,543.10/656,314.65 = 248,586.30/x
  3. Step 3: Cross multiply
    437,543.10x = 656,314.65 × 248,586.30
  4. Step 4: Simplify right side
    437,543.10x = 163,150,830,479.30
  5. Step 5: Solve for x
    x = 163,150,830,479.30/437,543.10
  6. Step 6: Final answer
    x = 372,879.45

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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.