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Finding the Fourth Proportional to 532,360.04, 734,654.85 and 290,639.84

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Solution

The fourth proportional to 532,360.04, 734,654.85 and 290,639.84 is: 401,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,360.04 : 734,654.85 = 290,639.84 : x
  2. Step 2: Convert to fraction form
    532,360.04/734,654.85 = 290,639.84/x
  3. Step 3: Cross multiply
    532,360.04x = 734,654.85 × 290,639.84
  4. Step 4: Simplify right side
    532,360.04x = 213,519,964,385.95
  5. Step 5: Solve for x
    x = 213,519,964,385.95/532,360.04
  6. Step 6: Final answer
    x = 401,081.88

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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.