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Finding the Fourth Proportional to 483,503.20, 724,999.65 and 163,545.10

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Solution

The fourth proportional to 483,503.20, 724,999.65 and 163,545.10 is: 245,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,503.20 : 724,999.65 = 163,545.10 : x
  2. Step 2: Convert to fraction form
    483,503.20/724,999.65 = 163,545.10/x
  3. Step 3: Cross multiply
    483,503.20x = 724,999.65 × 163,545.10
  4. Step 4: Simplify right side
    483,503.20x = 118,570,140,259.22
  5. Step 5: Solve for x
    x = 118,570,140,259.22/483,503.20
  6. Step 6: Final answer
    x = 245,231.35

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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.