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Finding the Fourth Proportional to 586,155.84, 808,512.48 and 371,071.68

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Solution

The fourth proportional to 586,155.84, 808,512.48 and 371,071.68 is: 511,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,155.84 : 808,512.48 = 371,071.68 : x
  2. Step 2: Convert to fraction form
    586,155.84/808,512.48 = 371,071.68/x
  3. Step 3: Cross multiply
    586,155.84x = 808,512.48 × 371,071.68
  4. Step 4: Simplify right side
    586,155.84x = 300,016,084,254.57
  5. Step 5: Solve for x
    x = 300,016,084,254.57/586,155.84
  6. Step 6: Final answer
    x = 511,836.72

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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.