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Finding the Fourth Proportional to 586,863.41, 880,622.18 and 316,986.10

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Solution

The fourth proportional to 586,863.41, 880,622.18 and 316,986.10 is: 475,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,863.41 : 880,622.18 = 316,986.10 : x
  2. Step 2: Convert to fraction form
    586,863.41/880,622.18 = 316,986.10/x
  3. Step 3: Cross multiply
    586,863.41x = 880,622.18 × 316,986.10
  4. Step 4: Simplify right side
    586,863.41x = 279,144,989,002.61
  5. Step 5: Solve for x
    x = 279,144,989,002.61/586,863.41
  6. Step 6: Final answer
    x = 475,655.81

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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.