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Finding the Fourth Proportional to 425,264.95, 586,865.60 and 234,278.34

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Solution

The fourth proportional to 425,264.95, 586,865.60 and 234,278.34 is: 323,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,264.95 : 586,865.60 = 234,278.34 : x
  2. Step 2: Convert to fraction form
    425,264.95/586,865.60 = 234,278.34/x
  3. Step 3: Cross multiply
    425,264.95x = 586,865.60 × 234,278.34
  4. Step 4: Simplify right side
    425,264.95x = 137,489,896,077.51
  5. Step 5: Solve for x
    x = 137,489,896,077.51/425,264.95
  6. Step 6: Final answer
    x = 323,304.09

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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.