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Finding the Fourth Proportional to 438,439.81, 657,702.92 and 182,219.53

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Solution

The fourth proportional to 438,439.81, 657,702.92 and 182,219.53 is: 273,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,439.81 : 657,702.92 = 182,219.53 : x
  2. Step 2: Convert to fraction form
    438,439.81/657,702.92 = 182,219.53/x
  3. Step 3: Cross multiply
    438,439.81x = 657,702.92 × 182,219.53
  4. Step 4: Simplify right side
    438,439.81x = 119,846,312,762.42
  5. Step 5: Solve for x
    x = 119,846,312,762.42/438,439.81
  6. Step 6: Final answer
    x = 273,347.24

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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.