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Finding the Fourth Proportional to 343,012.67, 514,244.25 and 163,007.76

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Solution

The fourth proportional to 343,012.67, 514,244.25 and 163,007.76 is: 244,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,012.67 : 514,244.25 = 163,007.76 : x
  2. Step 2: Convert to fraction form
    343,012.67/514,244.25 = 163,007.76/x
  3. Step 3: Cross multiply
    343,012.67x = 514,244.25 × 163,007.76
  4. Step 4: Simplify right side
    343,012.67x = 83,825,803,285.38
  5. Step 5: Solve for x
    x = 83,825,803,285.38/343,012.67
  6. Step 6: Final answer
    x = 244,381.07

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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.