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Finding the Fourth Proportional to 615,458.93, 923,096.05 and 194,680.13

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Solution

The fourth proportional to 615,458.93, 923,096.05 and 194,680.13 is: 291,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,458.93 : 923,096.05 = 194,680.13 : x
  2. Step 2: Convert to fraction form
    615,458.93/923,096.05 = 194,680.13/x
  3. Step 3: Cross multiply
    615,458.93x = 923,096.05 × 194,680.13
  4. Step 4: Simplify right side
    615,458.93x = 179,708,453,914.31
  5. Step 5: Solve for x
    x = 179,708,453,914.31/615,458.93
  6. Step 6: Final answer
    x = 291,990.98

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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.