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Finding the Fourth Proportional to 586,812.40, 880,218.60 and 187,466.20

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Solution

The fourth proportional to 586,812.40, 880,218.60 and 187,466.20 is: 281,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,812.40 : 880,218.60 = 187,466.20 : x
  2. Step 2: Convert to fraction form
    586,812.40/880,218.60 = 187,466.20/x
  3. Step 3: Cross multiply
    586,812.40x = 880,218.60 × 187,466.20
  4. Step 4: Simplify right side
    586,812.40x = 165,011,236,111.32
  5. Step 5: Solve for x
    x = 165,011,236,111.32/586,812.40
  6. Step 6: Final answer
    x = 281,199.30

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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.