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Finding the Fourth Proportional to 405,096.54, 607,591.53 and 124,590.30

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Solution

The fourth proportional to 405,096.54, 607,591.53 and 124,590.30 is: 186,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,096.54 : 607,591.53 = 124,590.30 : x
  2. Step 2: Convert to fraction form
    405,096.54/607,591.53 = 124,590.30/x
  3. Step 3: Cross multiply
    405,096.54x = 607,591.53 × 124,590.30
  4. Step 4: Simplify right side
    405,096.54x = 75,700,011,000.16
  5. Step 5: Solve for x
    x = 75,700,011,000.16/405,096.54
  6. Step 6: Final answer
    x = 186,869.06

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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.