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Finding the Fourth Proportional to 460,088.43, 634,909.65 and 256,139.37

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Solution

The fourth proportional to 460,088.43, 634,909.65 and 256,139.37 is: 353,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,088.43 : 634,909.65 = 256,139.37 : x
  2. Step 2: Convert to fraction form
    460,088.43/634,909.65 = 256,139.37/x
  3. Step 3: Cross multiply
    460,088.43x = 634,909.65 × 256,139.37
  4. Step 4: Simplify right side
    460,088.43x = 162,625,357,757.92
  5. Step 5: Solve for x
    x = 162,625,357,757.92/460,088.43
  6. Step 6: Final answer
    x = 353,465.44

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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.