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Finding the Fourth Proportional to 586,851.49, 880,604.19 and 316,974.16

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Solution

The fourth proportional to 586,851.49, 880,604.19 and 316,974.16 is: 475,637.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,851.49 : 880,604.19 = 316,974.16 : x
  2. Step 2: Convert to fraction form
    586,851.49/880,604.19 = 316,974.16/x
  3. Step 3: Cross multiply
    586,851.49x = 880,604.19 × 316,974.16
  4. Step 4: Simplify right side
    586,851.49x = 279,128,773,417.73
  5. Step 5: Solve for x
    x = 279,128,773,417.73/586,851.49
  6. Step 6: Final answer
    x = 475,637.84

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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.