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Finding the Fourth Proportional to 560,483.28, 840,777.12 and 223,442.28

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Solution

The fourth proportional to 560,483.28, 840,777.12 and 223,442.28 is: 335,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,483.28 : 840,777.12 = 223,442.28 : x
  2. Step 2: Convert to fraction form
    560,483.28/840,777.12 = 223,442.28/x
  3. Step 3: Cross multiply
    560,483.28x = 840,777.12 × 223,442.28
  4. Step 4: Simplify right side
    560,483.28x = 187,865,156,664.63
  5. Step 5: Solve for x
    x = 187,865,156,664.63/560,483.28
  6. Step 6: Final answer
    x = 335,184.23

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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.