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Finding the Fourth Proportional to 608,109.51, 912,262.25 and 187,385.19

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Solution

The fourth proportional to 608,109.51, 912,262.25 and 187,385.19 is: 281,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,109.51 : 912,262.25 = 187,385.19 : x
  2. Step 2: Convert to fraction form
    608,109.51/912,262.25 = 187,385.19/x
  3. Step 3: Cross multiply
    608,109.51x = 912,262.25 × 187,385.19
  4. Step 4: Simplify right side
    608,109.51x = 170,944,434,109.15
  5. Step 5: Solve for x
    x = 170,944,434,109.15/608,109.51
  6. Step 6: Final answer
    x = 281,107.98

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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.