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Finding the Fourth Proportional to 461,430.30, 692,145.45 and 283,359.90

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Solution

The fourth proportional to 461,430.30, 692,145.45 and 283,359.90 is: 425,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,430.30 : 692,145.45 = 283,359.90 : x
  2. Step 2: Convert to fraction form
    461,430.30/692,145.45 = 283,359.90/x
  3. Step 3: Cross multiply
    461,430.30x = 692,145.45 × 283,359.90
  4. Step 4: Simplify right side
    461,430.30x = 196,126,265,497.46
  5. Step 5: Solve for x
    x = 196,126,265,497.46/461,430.30
  6. Step 6: Final answer
    x = 425,039.85

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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.