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Finding the Fourth Proportional to 268,403.58, 370,398.14 and 147,552.63

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Solution

The fourth proportional to 268,403.58, 370,398.14 and 147,552.63 is: 203,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,403.58 : 370,398.14 = 147,552.63 : x
  2. Step 2: Convert to fraction form
    268,403.58/370,398.14 = 147,552.63/x
  3. Step 3: Cross multiply
    268,403.58x = 370,398.14 × 147,552.63
  4. Step 4: Simplify right side
    268,403.58x = 54,653,218,966.35
  5. Step 5: Solve for x
    x = 54,653,218,966.35/268,403.58
  6. Step 6: Final answer
    x = 203,623.29

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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.