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Finding the Fourth Proportional to 587,315.70, 880,973.55 and 514,998.90

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Solution

The fourth proportional to 587,315.70, 880,973.55 and 514,998.90 is: 772,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,315.70 : 880,973.55 = 514,998.90 : x
  2. Step 2: Convert to fraction form
    587,315.70/880,973.55 = 514,998.90/x
  3. Step 3: Cross multiply
    587,315.70x = 880,973.55 × 514,998.90
  4. Step 4: Simplify right side
    587,315.70x = 453,700,409,179.10
  5. Step 5: Solve for x
    x = 453,700,409,179.10/587,315.70
  6. Step 6: Final answer
    x = 772,498.35

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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.