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Finding the Fourth Proportional to 341,574.18, 471,472.47 and 198,398.58

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Solution

The fourth proportional to 341,574.18, 471,472.47 and 198,398.58 is: 273,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,574.18 : 471,472.47 = 198,398.58 : x
  2. Step 2: Convert to fraction form
    341,574.18/471,472.47 = 198,398.58/x
  3. Step 3: Cross multiply
    341,574.18x = 471,472.47 × 198,398.58
  4. Step 4: Simplify right side
    341,574.18x = 93,539,468,557.09
  5. Step 5: Solve for x
    x = 93,539,468,557.09/341,574.18
  6. Step 6: Final answer
    x = 273,848.18

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1.5x scale

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.