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Finding the Fourth Proportional to 608,266.84, 912,341.82 and 187,429.72

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Solution

The fourth proportional to 608,266.84, 912,341.82 and 187,429.72 is: 281,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,266.84 : 912,341.82 = 187,429.72 : x
  2. Step 2: Convert to fraction form
    608,266.84/912,341.82 = 187,429.72/x
  3. Step 3: Cross multiply
    608,266.84x = 912,341.82 × 187,429.72
  4. Step 4: Simplify right side
    608,266.84x = 170,999,971,866.89
  5. Step 5: Solve for x
    x = 170,999,971,866.89/608,266.84
  6. Step 6: Final answer
    x = 281,126.57

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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.