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Finding the Fourth Proportional to 355,667.66, 532,909.16 and 250,265.20

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Solution

The fourth proportional to 355,667.66, 532,909.16 and 250,265.20 is: 374,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,667.66 : 532,909.16 = 250,265.20 : x
  2. Step 2: Convert to fraction form
    355,667.66/532,909.16 = 250,265.20/x
  3. Step 3: Cross multiply
    355,667.66x = 532,909.16 × 250,265.20
  4. Step 4: Simplify right side
    355,667.66x = 133,368,617,509.23
  5. Step 5: Solve for x
    x = 133,368,617,509.23/355,667.66
  6. Step 6: Final answer
    x = 374,981.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.