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Finding the Fourth Proportional to 405,096.04, 607,590.78 and 124,589.80

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Solution

The fourth proportional to 405,096.04, 607,590.78 and 124,589.80 is: 186,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,096.04 : 607,590.78 = 124,589.80 : x
  2. Step 2: Convert to fraction form
    405,096.04/607,590.78 = 124,589.80/x
  3. Step 3: Cross multiply
    405,096.04x = 607,590.78 × 124,589.80
  4. Step 4: Simplify right side
    405,096.04x = 75,699,613,762.04
  5. Step 5: Solve for x
    x = 75,699,613,762.04/405,096.04
  6. Step 6: Final answer
    x = 186,868.31

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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.