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Finding the Fourth Proportional to 590,581.80, 885,872.70 and 580,740.30

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Solution

The fourth proportional to 590,581.80, 885,872.70 and 580,740.30 is: 871,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,581.80 : 885,872.70 = 580,740.30 : x
  2. Step 2: Convert to fraction form
    590,581.80/885,872.70 = 580,740.30/x
  3. Step 3: Cross multiply
    590,581.80x = 885,872.70 × 580,740.30
  4. Step 4: Simplify right side
    590,581.80x = 514,461,977,559.81
  5. Step 5: Solve for x
    x = 514,461,977,559.81/590,581.80
  6. Step 6: Final answer
    x = 871,110.45

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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.