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Finding the Fourth Proportional to 498,784.40, 746,621.40 and 483,232.40

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Solution

The fourth proportional to 498,784.40, 746,621.40 and 483,232.40 is: 723,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,784.40 : 746,621.40 = 483,232.40 : x
  2. Step 2: Convert to fraction form
    498,784.40/746,621.40 = 483,232.40/x
  3. Step 3: Cross multiply
    498,784.40x = 746,621.40 × 483,232.40
  4. Step 4: Simplify right side
    498,784.40x = 360,791,651,013.36
  5. Step 5: Solve for x
    x = 360,791,651,013.36/498,784.40
  6. Step 6: Final answer
    x = 723,341.89

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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.