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Finding the Fourth Proportional to 452,407.34, 624,398.94 and 261,531.38

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Solution

The fourth proportional to 452,407.34, 624,398.94 and 261,531.38 is: 360,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,407.34 : 624,398.94 = 261,531.38 : x
  2. Step 2: Convert to fraction form
    452,407.34/624,398.94 = 261,531.38/x
  3. Step 3: Cross multiply
    452,407.34x = 624,398.94 × 261,531.38
  4. Step 4: Simplify right side
    452,407.34x = 163,299,916,448.74
  5. Step 5: Solve for x
    x = 163,299,916,448.74/452,407.34
  6. Step 6: Final answer
    x = 360,957.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.