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Finding the Fourth Proportional to 460,461.87, 635,428.71 and 256,529.61

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Solution

The fourth proportional to 460,461.87, 635,428.71 and 256,529.61 is: 354,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,461.87 : 635,428.71 = 256,529.61 : x
  2. Step 2: Convert to fraction form
    460,461.87/635,428.71 = 256,529.61/x
  3. Step 3: Cross multiply
    460,461.87x = 635,428.71 × 256,529.61
  4. Step 4: Simplify right side
    460,461.87x = 163,006,279,159.10
  5. Step 5: Solve for x
    x = 163,006,279,159.10/460,461.87
  6. Step 6: Final answer
    x = 354,006.03

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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.