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Finding the Fourth Proportional to 609,711.60, 914,567.40 and 166,479.60

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Solution

The fourth proportional to 609,711.60, 914,567.40 and 166,479.60 is: 249,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,711.60 : 914,567.40 = 166,479.60 : x
  2. Step 2: Convert to fraction form
    609,711.60/914,567.40 = 166,479.60/x
  3. Step 3: Cross multiply
    609,711.60x = 914,567.40 × 166,479.60
  4. Step 4: Simplify right side
    609,711.60x = 152,256,814,925.04
  5. Step 5: Solve for x
    x = 152,256,814,925.04/609,711.60
  6. Step 6: Final answer
    x = 249,719.40

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Similar ratio
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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.