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Finding the Fourth Proportional to 367,587.60, 551,381.40 and 157,246.80

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Solution

The fourth proportional to 367,587.60, 551,381.40 and 157,246.80 is: 235,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,587.60 : 551,381.40 = 157,246.80 : x
  2. Step 2: Convert to fraction form
    367,587.60/551,381.40 = 157,246.80/x
  3. Step 3: Cross multiply
    367,587.60x = 551,381.40 × 157,246.80
  4. Step 4: Simplify right side
    367,587.60x = 86,702,960,729.52
  5. Step 5: Solve for x
    x = 86,702,960,729.52/367,587.60
  6. Step 6: Final answer
    x = 235,870.20

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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.