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Finding the Fourth Proportional to 460,088.68, 634,910.00 and 256,139.62

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Solution

The fourth proportional to 460,088.68, 634,910.00 and 256,139.62 is: 353,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,088.68 : 634,910.00 = 256,139.62 : x
  2. Step 2: Convert to fraction form
    460,088.68/634,910.00 = 256,139.62/x
  3. Step 3: Cross multiply
    460,088.68x = 634,910.00 × 256,139.62
  4. Step 4: Simplify right side
    460,088.68x = 162,625,604,853.50
  5. Step 5: Solve for x
    x = 162,625,604,853.50/460,088.68
  6. Step 6: Final answer
    x = 353,465.78

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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.