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Finding the Fourth Proportional to 560,018.80, 839,490.60 and 185,849.20

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Solution

The fourth proportional to 560,018.80, 839,490.60 and 185,849.20 is: 278,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,018.80 : 839,490.60 = 185,849.20 : x
  2. Step 2: Convert to fraction form
    560,018.80/839,490.60 = 185,849.20/x
  3. Step 3: Cross multiply
    560,018.80x = 839,490.60 × 185,849.20
  4. Step 4: Simplify right side
    560,018.80x = 156,018,656,417.52
  5. Step 5: Solve for x
    x = 156,018,656,417.52/560,018.80
  6. Step 6: Final answer
    x = 278,595.39

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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.