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Finding the Fourth Proportional to 624,430.74, 936,646.15 and 151,116.14

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Solution

The fourth proportional to 624,430.74, 936,646.15 and 151,116.14 is: 226,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,430.74 : 936,646.15 = 151,116.14 : x
  2. Step 2: Convert to fraction form
    624,430.74/936,646.15 = 151,116.14/x
  3. Step 3: Cross multiply
    624,430.74x = 936,646.15 × 151,116.14
  4. Step 4: Simplify right side
    624,430.74x = 141,542,350,733.86
  5. Step 5: Solve for x
    x = 141,542,350,733.86/624,430.74
  6. Step 6: Final answer
    x = 226,674.22

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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.