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Finding the Fourth Proportional to 483,168.20, 724,061.10 and 335,251.40

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Solution

The fourth proportional to 483,168.20, 724,061.10 and 335,251.40 is: 502,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,168.20 : 724,061.10 = 335,251.40 : x
  2. Step 2: Convert to fraction form
    483,168.20/724,061.10 = 335,251.40/x
  3. Step 3: Cross multiply
    483,168.20x = 724,061.10 × 335,251.40
  4. Step 4: Simplify right side
    483,168.20x = 242,742,497,460.54
  5. Step 5: Solve for x
    x = 242,742,497,460.54/483,168.20
  6. Step 6: Final answer
    x = 502,397.50

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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.