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Finding the Fourth Proportional to 483,117.90, 724,458.15 and 183,498.90

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Solution

The fourth proportional to 483,117.90, 724,458.15 and 183,498.90 is: 275,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,117.90 : 724,458.15 = 183,498.90 : x
  2. Step 2: Convert to fraction form
    483,117.90/724,458.15 = 183,498.90/x
  3. Step 3: Cross multiply
    483,117.90x = 724,458.15 × 183,498.90
  4. Step 4: Simplify right side
    483,117.90x = 132,937,273,621.04
  5. Step 5: Solve for x
    x = 132,937,273,621.04/483,117.90
  6. Step 6: Final answer
    x = 275,165.28

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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.