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Finding the Fourth Proportional to 532,426.56, 734,750.19 and 290,711.22

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Solution

The fourth proportional to 532,426.56, 734,750.19 and 290,711.22 is: 401,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,426.56 : 734,750.19 = 290,711.22 : x
  2. Step 2: Convert to fraction form
    532,426.56/734,750.19 = 290,711.22/x
  3. Step 3: Cross multiply
    532,426.56x = 734,750.19 × 290,711.22
  4. Step 4: Simplify right side
    532,426.56x = 213,600,124,130.13
  5. Step 5: Solve for x
    x = 213,600,124,130.13/532,426.56
  6. Step 6: Final answer
    x = 401,182.32

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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.