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Finding the Fourth Proportional to 532,107.46, 734,323.86 and 290,405.52

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Solution

The fourth proportional to 532,107.46, 734,323.86 and 290,405.52 is: 400,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,107.46 : 734,323.86 = 290,405.52 : x
  2. Step 2: Convert to fraction form
    532,107.46/734,323.86 = 290,405.52/x
  3. Step 3: Cross multiply
    532,107.46x = 734,323.86 × 290,405.52
  4. Step 4: Simplify right side
    532,107.46x = 213,251,702,411.71
  5. Step 5: Solve for x
    x = 213,251,702,411.71/532,107.46
  6. Step 6: Final answer
    x = 400,768.11

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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.