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Finding the Fourth Proportional to 355,282.65, 532,858.62 and 155,565.81

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Solution

The fourth proportional to 355,282.65, 532,858.62 and 155,565.81 is: 233,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,282.65 : 532,858.62 = 155,565.81 : x
  2. Step 2: Convert to fraction form
    355,282.65/532,858.62 = 155,565.81/x
  3. Step 3: Cross multiply
    355,282.65x = 532,858.62 × 155,565.81
  4. Step 4: Simplify right side
    355,282.65x = 82,894,582,835.78
  5. Step 5: Solve for x
    x = 82,894,582,835.78/355,282.65
  6. Step 6: Final answer
    x = 233,320.10

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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.