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Finding the Fourth Proportional to 360,368.70, 540,553.05 and 173,399.10

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Solution

The fourth proportional to 360,368.70, 540,553.05 and 173,399.10 is: 260,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368.70 : 540,553.05 = 173,399.10 : x
  2. Step 2: Convert to fraction form
    360,368.70/540,553.05 = 173,399.10/x
  3. Step 3: Cross multiply
    360,368.70x = 540,553.05 × 173,399.10
  4. Step 4: Simplify right side
    360,368.70x = 93,731,412,372.26
  5. Step 5: Solve for x
    x = 93,731,412,372.26/360,368.70
  6. Step 6: Final answer
    x = 260,098.65

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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.