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Finding the Fourth Proportional to 666,752.67, 1,000,432.62 and 282,606.82

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Solution

The fourth proportional to 666,752.67, 1,000,432.62 and 282,606.82 is: 424,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,752.67 : 1,000,432.62 = 282,606.82 : x
  2. Step 2: Convert to fraction form
    666,752.67/1,000,432.62 = 282,606.82/x
  3. Step 3: Cross multiply
    666,752.67x = 1,000,432.62 × 282,606.82
  4. Step 4: Simplify right side
    666,752.67x = 282,729,078,861.39
  5. Step 5: Solve for x
    x = 282,729,078,861.39/666,752.67
  6. Step 6: Final answer
    x = 424,038.92

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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.