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Finding the Fourth Proportional to 452,841.54, 679,220.65 and 153,287.88

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Solution

The fourth proportional to 452,841.54, 679,220.65 and 153,287.88 is: 229,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,841.54 : 679,220.65 = 153,287.88 : x
  2. Step 2: Convert to fraction form
    452,841.54/679,220.65 = 153,287.88/x
  3. Step 3: Cross multiply
    452,841.54x = 679,220.65 × 153,287.88
  4. Step 4: Simplify right side
    452,841.54x = 104,116,293,490.72
  5. Step 5: Solve for x
    x = 104,116,293,490.72/452,841.54
  6. Step 6: Final answer
    x = 229,917.72

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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.