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Finding the Fourth Proportional to 616,121.60, 924,182.40 and 195,430.40

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Solution

The fourth proportional to 616,121.60, 924,182.40 and 195,430.40 is: 293,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,121.60 : 924,182.40 = 195,430.40 : x
  2. Step 2: Convert to fraction form
    616,121.60/924,182.40 = 195,430.40/x
  3. Step 3: Cross multiply
    616,121.60x = 924,182.40 × 195,430.40
  4. Step 4: Simplify right side
    616,121.60x = 180,613,336,104.96
  5. Step 5: Solve for x
    x = 180,613,336,104.96/616,121.60
  6. Step 6: Final answer
    x = 293,145.60

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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.