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Finding the Fourth Proportional to 461,492.82, 636,860.61 and 260,288.82

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Solution

The fourth proportional to 461,492.82, 636,860.61 and 260,288.82 is: 359,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,492.82 : 636,860.61 = 260,288.82 : x
  2. Step 2: Convert to fraction form
    461,492.82/636,860.61 = 260,288.82/x
  3. Step 3: Cross multiply
    461,492.82x = 636,860.61 × 260,288.82
  4. Step 4: Simplify right side
    461,492.82x = 165,767,696,681.38
  5. Step 5: Solve for x
    x = 165,767,696,681.38/461,492.82
  6. Step 6: Final answer
    x = 359,198.86

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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.