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Finding the Fourth Proportional to 343,237.40, 514,904.70 and 106,555.40

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Solution

The fourth proportional to 343,237.40, 514,904.70 and 106,555.40 is: 159,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,237.40 : 514,904.70 = 106,555.40 : x
  2. Step 2: Convert to fraction form
    343,237.40/514,904.70 = 106,555.40/x
  3. Step 3: Cross multiply
    343,237.40x = 514,904.70 × 106,555.40
  4. Step 4: Simplify right side
    343,237.40x = 54,865,876,270.38
  5. Step 5: Solve for x
    x = 54,865,876,270.38/343,237.40
  6. Step 6: Final answer
    x = 159,848.19

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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.