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Finding the Fourth Proportional to 365,280.45, 547,920.68 and 365,280.45

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Solution

The fourth proportional to 365,280.45, 547,920.68 and 365,280.45 is: 547,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,280.45 : 547,920.68 = 365,280.45 : x
  2. Step 2: Convert to fraction form
    365,280.45/547,920.68 = 365,280.45/x
  3. Step 3: Cross multiply
    365,280.45x = 547,920.68 × 365,280.45
  4. Step 4: Simplify right side
    365,280.45x = 200,144,710,728.30
  5. Step 5: Solve for x
    x = 200,144,710,728.30/365,280.45
  6. Step 6: Final answer
    x = 547,920.68

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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.