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Finding the Fourth Proportional to 616,746.30, 925,469.34 and 243,031.74

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Solution

The fourth proportional to 616,746.30, 925,469.34 and 243,031.74 is: 364,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,746.30 : 925,469.34 = 243,031.74 : x
  2. Step 2: Convert to fraction form
    616,746.30/925,469.34 = 243,031.74/x
  3. Step 3: Cross multiply
    616,746.30x = 925,469.34 × 243,031.74
  4. Step 4: Simplify right side
    616,746.30x = 224,918,424,016.85
  5. Step 5: Solve for x
    x = 224,918,424,016.85/616,746.30
  6. Step 6: Final answer
    x = 364,685.49

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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.