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Finding the Fourth Proportional to 332,145.40, 497,877.90 and 163,406.20

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Solution

The fourth proportional to 332,145.40, 497,877.90 and 163,406.20 is: 244,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,145.40 : 497,877.90 = 163,406.20 : x
  2. Step 2: Convert to fraction form
    332,145.40/497,877.90 = 163,406.20/x
  3. Step 3: Cross multiply
    332,145.40x = 497,877.90 × 163,406.20
  4. Step 4: Simplify right side
    332,145.40x = 81,356,335,702.98
  5. Step 5: Solve for x
    x = 81,356,335,702.98/332,145.40
  6. Step 6: Final answer
    x = 244,941.93

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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.