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Finding the Fourth Proportional to 648,866.26, 973,301.68 and 199,584.10

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Solution

The fourth proportional to 648,866.26, 973,301.68 and 199,584.10 is: 299,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,866.26 : 973,301.68 = 199,584.10 : x
  2. Step 2: Convert to fraction form
    648,866.26/973,301.68 = 199,584.10/x
  3. Step 3: Cross multiply
    648,866.26x = 973,301.68 × 199,584.10
  4. Step 4: Simplify right side
    648,866.26x = 194,255,539,831.29
  5. Step 5: Solve for x
    x = 194,255,539,831.29/648,866.26
  6. Step 6: Final answer
    x = 299,376.85

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Double scale
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Similar ratio
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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.