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Finding the Fourth Proportional to 584,528.80, 876,880.80 and 247,568.80

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Solution

The fourth proportional to 584,528.80, 876,880.80 and 247,568.80 is: 371,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,528.80 : 876,880.80 = 247,568.80 : x
  2. Step 2: Convert to fraction form
    584,528.80/876,880.80 = 247,568.80/x
  3. Step 3: Cross multiply
    584,528.80x = 876,880.80 × 247,568.80
  4. Step 4: Simplify right side
    584,528.80x = 217,088,327,399.04
  5. Step 5: Solve for x
    x = 217,088,327,399.04/584,528.80
  6. Step 6: Final answer
    x = 371,390.30

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Double scale
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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.