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Finding the Fourth Proportional to 323,444.70, 485,167.05 and 146,036.70

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Solution

The fourth proportional to 323,444.70, 485,167.05 and 146,036.70 is: 219,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,444.70 : 485,167.05 = 146,036.70 : x
  2. Step 2: Convert to fraction form
    323,444.70/485,167.05 = 146,036.70/x
  3. Step 3: Cross multiply
    323,444.70x = 485,167.05 × 146,036.70
  4. Step 4: Simplify right side
    323,444.70x = 70,852,194,930.74
  5. Step 5: Solve for x
    x = 70,852,194,930.74/323,444.70
  6. Step 6: Final answer
    x = 219,055.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.