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Finding the Fourth Proportional to 671,876.04, 927,188.76 and 370,070.04

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Solution

The fourth proportional to 671,876.04, 927,188.76 and 370,070.04 is: 510,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,876.04 : 927,188.76 = 370,070.04 : x
  2. Step 2: Convert to fraction form
    671,876.04/927,188.76 = 370,070.04/x
  3. Step 3: Cross multiply
    671,876.04x = 927,188.76 × 370,070.04
  4. Step 4: Simplify right side
    671,876.04x = 343,124,781,500.75
  5. Step 5: Solve for x
    x = 343,124,781,500.75/671,876.04
  6. Step 6: Final answer
    x = 510,696.56

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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.