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Finding the Fourth Proportional to 483,030.20, 724,545.30 and 370,926.20

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Solution

The fourth proportional to 483,030.20, 724,545.30 and 370,926.20 is: 556,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,030.20 : 724,545.30 = 370,926.20 : x
  2. Step 2: Convert to fraction form
    483,030.20/724,545.30 = 370,926.20/x
  3. Step 3: Cross multiply
    483,030.20x = 724,545.30 × 370,926.20
  4. Step 4: Simplify right side
    483,030.20x = 268,752,834,856.86
  5. Step 5: Solve for x
    x = 268,752,834,856.86/483,030.20
  6. Step 6: Final answer
    x = 556,389.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.