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Finding the Fourth Proportional to 278,063.70, 417,095.55 and 100,598.10

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Solution

The fourth proportional to 278,063.70, 417,095.55 and 100,598.10 is: 150,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,063.70 : 417,095.55 = 100,598.10 : x
  2. Step 2: Convert to fraction form
    278,063.70/417,095.55 = 100,598.10/x
  3. Step 3: Cross multiply
    278,063.70x = 417,095.55 × 100,598.10
  4. Step 4: Simplify right side
    278,063.70x = 41,959,019,848.46
  5. Step 5: Solve for x
    x = 41,959,019,848.46/278,063.70
  6. Step 6: Final answer
    x = 150,897.15

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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.