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Finding the Fourth Proportional to 460,899.63, 636,044.13 and 256,963.50

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Solution

The fourth proportional to 460,899.63, 636,044.13 and 256,963.50 is: 354,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,899.63 : 636,044.13 = 256,963.50 : x
  2. Step 2: Convert to fraction form
    460,899.63/636,044.13 = 256,963.50/x
  3. Step 3: Cross multiply
    460,899.63x = 636,044.13 × 256,963.50
  4. Step 4: Simplify right side
    460,899.63x = 163,440,125,799.26
  5. Step 5: Solve for x
    x = 163,440,125,799.26/460,899.63
  6. Step 6: Final answer
    x = 354,611.10

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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.