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Finding the Fourth Proportional to 608,693.64, 912,545.66 and 253,971.96

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Solution

The fourth proportional to 608,693.64, 912,545.66 and 253,971.96 is: 380,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,693.64 : 912,545.66 = 253,971.96 : x
  2. Step 2: Convert to fraction form
    608,693.64/912,545.66 = 253,971.96/x
  3. Step 3: Cross multiply
    608,693.64x = 912,545.66 × 253,971.96
  4. Step 4: Simplify right side
    608,693.64x = 231,761,009,859.69
  5. Step 5: Solve for x
    x = 231,761,009,859.69/608,693.64
  6. Step 6: Final answer
    x = 380,751.49

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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.