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Finding the Fourth Proportional to 615,234.86, 922,846.52 and 194,510.78

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Solution

The fourth proportional to 615,234.86, 922,846.52 and 194,510.78 is: 291,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,234.86 : 922,846.52 = 194,510.78 : x
  2. Step 2: Convert to fraction form
    615,234.86/922,846.52 = 194,510.78/x
  3. Step 3: Cross multiply
    615,234.86x = 922,846.52 × 194,510.78
  4. Step 4: Simplify right side
    615,234.86x = 179,503,596,425.49
  5. Step 5: Solve for x
    x = 179,503,596,425.49/615,234.86
  6. Step 6: Final answer
    x = 291,764.35

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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.