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Finding the Fourth Proportional to 452,841.25, 679,220.23 and 153,287.59

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Solution

The fourth proportional to 452,841.25, 679,220.23 and 153,287.59 is: 229,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,841.25 : 679,220.23 = 153,287.59 : x
  2. Step 2: Convert to fraction form
    452,841.25/679,220.23 = 153,287.59/x
  3. Step 3: Cross multiply
    452,841.25x = 679,220.23 × 153,287.59
  4. Step 4: Simplify right side
    452,841.25x = 104,116,032,135.95
  5. Step 5: Solve for x
    x = 104,116,032,135.95/452,841.25
  6. Step 6: Final answer
    x = 229,917.29

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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.