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Finding the Fourth Proportional to 460,752.79, 635,841.80 and 256,816.66

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Solution

The fourth proportional to 460,752.79, 635,841.80 and 256,816.66 is: 354,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,752.79 : 635,841.80 = 256,816.66 : x
  2. Step 2: Convert to fraction form
    460,752.79/635,841.80 = 256,816.66/x
  3. Step 3: Cross multiply
    460,752.79x = 635,841.80 × 256,816.66
  4. Step 4: Simplify right side
    460,752.79x = 163,294,762,901.10
  5. Step 5: Solve for x
    x = 163,294,762,901.10/460,752.79
  6. Step 6: Final answer
    x = 354,408.63

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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.