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Finding the Fourth Proportional to 460,459.59, 635,376.38 and 256,459.11

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Solution

The fourth proportional to 460,459.59, 635,376.38 and 256,459.11 is: 353,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,459.59 : 635,376.38 = 256,459.11 : x
  2. Step 2: Convert to fraction form
    460,459.59/635,376.38 = 256,459.11/x
  3. Step 3: Cross multiply
    460,459.59x = 635,376.38 × 256,459.11
  4. Step 4: Simplify right side
    460,459.59x = 162,948,060,929.82
  5. Step 5: Solve for x
    x = 162,948,060,929.82/460,459.59
  6. Step 6: Final answer
    x = 353,881.35

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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.