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Finding the Fourth Proportional to 882,324.72, 1,323,487.32 and 217,476.72

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Solution

The fourth proportional to 882,324.72, 1,323,487.32 and 217,476.72 is: 326,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,324.72 : 1,323,487.32 = 217,476.72 : x
  2. Step 2: Convert to fraction form
    882,324.72/1,323,487.32 = 217,476.72/x
  3. Step 3: Cross multiply
    882,324.72x = 1,323,487.32 × 217,476.72
  4. Step 4: Simplify right side
    882,324.72x = 287,827,681,315.19
  5. Step 5: Solve for x
    x = 287,827,681,315.19/882,324.72
  6. Step 6: Final answer
    x = 326,215.14

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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.