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Finding the Fourth Proportional to 432,881.10, 649,649.70 and 283,071.60

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Solution

The fourth proportional to 432,881.10, 649,649.70 and 283,071.60 is: 424,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,881.10 : 649,649.70 = 283,071.60 : x
  2. Step 2: Convert to fraction form
    432,881.10/649,649.70 = 283,071.60/x
  3. Step 3: Cross multiply
    432,881.10x = 649,649.70 × 283,071.60
  4. Step 4: Simplify right side
    432,881.10x = 183,897,380,018.52
  5. Step 5: Solve for x
    x = 183,897,380,018.52/432,881.10
  6. Step 6: Final answer
    x = 424,821.92

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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.