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Finding the Fourth Proportional to 532,355.38, 734,617.38 and 290,588.56

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Solution

The fourth proportional to 532,355.38, 734,617.38 and 290,588.56 is: 400,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,355.38 : 734,617.38 = 290,588.56 : x
  2. Step 2: Convert to fraction form
    532,355.38/734,617.38 = 290,588.56/x
  3. Step 3: Cross multiply
    532,355.38x = 734,617.38 × 290,588.56
  4. Step 4: Simplify right side
    532,355.38x = 213,471,406,605.17
  5. Step 5: Solve for x
    x = 213,471,406,605.17/532,355.38
  6. Step 6: Final answer
    x = 400,994.18

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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.