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Finding the Fourth Proportional to 982,356.80, 1,473,880.80 and 483,387.20

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Solution

The fourth proportional to 982,356.80, 1,473,880.80 and 483,387.20 is: 725,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,356.80 : 1,473,880.80 = 483,387.20 : x
  2. Step 2: Convert to fraction form
    982,356.80/1,473,880.80 = 483,387.20/x
  3. Step 3: Cross multiply
    982,356.80x = 1,473,880.80 × 483,387.20
  4. Step 4: Simplify right side
    982,356.80x = 712,455,113,045.76
  5. Step 5: Solve for x
    x = 712,455,113,045.76/982,356.80
  6. Step 6: Final answer
    x = 725,250.86

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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.