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Finding the Fourth Proportional to 460,118.80, 634,799.61 and 266,420.80

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Solution

The fourth proportional to 460,118.80, 634,799.61 and 266,420.80 is: 367,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,118.80 : 634,799.61 = 266,420.80 : x
  2. Step 2: Convert to fraction form
    460,118.80/634,799.61 = 266,420.80/x
  3. Step 3: Cross multiply
    460,118.80x = 634,799.61 × 266,420.80
  4. Step 4: Simplify right side
    460,118.80x = 169,123,819,935.89
  5. Step 5: Solve for x
    x = 169,123,819,935.89/460,118.80
  6. Step 6: Final answer
    x = 367,565.55

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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.