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Finding the Fourth Proportional to 578,667.60, 868,001.40 and 246,200.40

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Solution

The fourth proportional to 578,667.60, 868,001.40 and 246,200.40 is: 369,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,667.60 : 868,001.40 = 246,200.40 : x
  2. Step 2: Convert to fraction form
    578,667.60/868,001.40 = 246,200.40/x
  3. Step 3: Cross multiply
    578,667.60x = 868,001.40 × 246,200.40
  4. Step 4: Simplify right side
    578,667.60x = 213,702,291,880.56
  5. Step 5: Solve for x
    x = 213,702,291,880.56/578,667.60
  6. Step 6: Final answer
    x = 369,300.60

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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.