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Finding the Fourth Proportional to 230,445.40, 345,726.40 and 64,233.40

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Solution

The fourth proportional to 230,445.40, 345,726.40 and 64,233.40 is: 96,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,445.40 : 345,726.40 = 64,233.40 : x
  2. Step 2: Convert to fraction form
    230,445.40/345,726.40 = 64,233.40/x
  3. Step 3: Cross multiply
    230,445.40x = 345,726.40 × 64,233.40
  4. Step 4: Simplify right side
    230,445.40x = 22,207,182,141.76
  5. Step 5: Solve for x
    x = 22,207,182,141.76/230,445.40
  6. Step 6: Final answer
    x = 96,366.35

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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.