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Finding the Fourth Proportional to 616,129.60, 924,194.40 and 195,438.40

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Solution

The fourth proportional to 616,129.60, 924,194.40 and 195,438.40 is: 293,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,129.60 : 924,194.40 = 195,438.40 : x
  2. Step 2: Convert to fraction form
    616,129.60/924,194.40 = 195,438.40/x
  3. Step 3: Cross multiply
    616,129.60x = 924,194.40 × 195,438.40
  4. Step 4: Simplify right side
    616,129.60x = 180,623,074,824.96
  5. Step 5: Solve for x
    x = 180,623,074,824.96/616,129.60
  6. Step 6: Final answer
    x = 293,157.60

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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.