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Finding the Fourth Proportional to 587,151.40, 880,727.10 and 307,215.40

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Solution

The fourth proportional to 587,151.40, 880,727.10 and 307,215.40 is: 460,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,151.40 : 880,727.10 = 307,215.40 : x
  2. Step 2: Convert to fraction form
    587,151.40/880,727.10 = 307,215.40/x
  3. Step 3: Cross multiply
    587,151.40x = 880,727.10 × 307,215.40
  4. Step 4: Simplify right side
    587,151.40x = 270,572,928,317.34
  5. Step 5: Solve for x
    x = 270,572,928,317.34/587,151.40
  6. Step 6: Final answer
    x = 460,823.10

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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.