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Finding the Fourth Proportional to 598,313.70, 897,470.55 and 430,352.10

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Solution

The fourth proportional to 598,313.70, 897,470.55 and 430,352.10 is: 645,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,313.70 : 897,470.55 = 430,352.10 : x
  2. Step 2: Convert to fraction form
    598,313.70/897,470.55 = 430,352.10/x
  3. Step 3: Cross multiply
    598,313.70x = 897,470.55 × 430,352.10
  4. Step 4: Simplify right side
    598,313.70x = 386,228,335,880.66
  5. Step 5: Solve for x
    x = 386,228,335,880.66/598,313.70
  6. Step 6: Final answer
    x = 645,528.15

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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.