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Finding the Fourth Proportional to 329,582.93, 454,010.98 and 281,026.83

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Solution

The fourth proportional to 329,582.93, 454,010.98 and 281,026.83 is: 387,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,582.93 : 454,010.98 = 281,026.83 : x
  2. Step 2: Convert to fraction form
    329,582.93/454,010.98 = 281,026.83/x
  3. Step 3: Cross multiply
    329,582.93x = 454,010.98 × 281,026.83
  4. Step 4: Simplify right side
    329,582.93x = 127,589,264,657.00
  5. Step 5: Solve for x
    x = 127,589,264,657.00/329,582.93
  6. Step 6: Final answer
    x = 387,123.40

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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.