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Finding the Fourth Proportional to 616,521.60, 924,782.40 and 173,289.60

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Solution

The fourth proportional to 616,521.60, 924,782.40 and 173,289.60 is: 259,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,521.60 : 924,782.40 = 173,289.60 : x
  2. Step 2: Convert to fraction form
    616,521.60/924,782.40 = 173,289.60/x
  3. Step 3: Cross multiply
    616,521.60x = 924,782.40 × 173,289.60
  4. Step 4: Simplify right side
    616,521.60x = 160,255,172,183.04
  5. Step 5: Solve for x
    x = 160,255,172,183.04/616,521.60
  6. Step 6: Final answer
    x = 259,934.40

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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.