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Finding the Fourth Proportional to 926,864.40, 1,299,476.40 and 926,864.40

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Solution

The fourth proportional to 926,864.40, 1,299,476.40 and 926,864.40 is: 1,299,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,864.40 : 1,299,476.40 = 926,864.40 : x
  2. Step 2: Convert to fraction form
    926,864.40/1,299,476.40 = 926,864.40/x
  3. Step 3: Cross multiply
    926,864.40x = 1,299,476.40 × 926,864.40
  4. Step 4: Simplify right side
    926,864.40x = 1,204,438,413,800.16
  5. Step 5: Solve for x
    x = 1,204,438,413,800.16/926,864.40
  6. Step 6: Final answer
    x = 1,299,476.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.