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Finding the Fourth Proportional to 292,045.20, 437,808.60 and 173,590.80

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Solution

The fourth proportional to 292,045.20, 437,808.60 and 173,590.80 is: 260,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,045.20 : 437,808.60 = 173,590.80 : x
  2. Step 2: Convert to fraction form
    292,045.20/437,808.60 = 173,590.80/x
  3. Step 3: Cross multiply
    292,045.20x = 437,808.60 × 173,590.80
  4. Step 4: Simplify right side
    292,045.20x = 75,999,545,120.88
  5. Step 5: Solve for x
    x = 75,999,545,120.88/292,045.20
  6. Step 6: Final answer
    x = 260,232.13

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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.