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Finding the Fourth Proportional to 608,116.51, 912,272.76 and 187,392.19

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Solution

The fourth proportional to 608,116.51, 912,272.76 and 187,392.19 is: 281,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,116.51 : 912,272.76 = 187,392.19 : x
  2. Step 2: Convert to fraction form
    608,116.51/912,272.76 = 187,392.19/x
  3. Step 3: Cross multiply
    608,116.51x = 912,272.76 × 187,392.19
  4. Step 4: Simplify right side
    608,116.51x = 170,952,790,373.74
  5. Step 5: Solve for x
    x = 170,952,790,373.74/608,116.51
  6. Step 6: Final answer
    x = 281,118.48

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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.