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Finding the Fourth Proportional to 402,294.03, 564,786.28 and 402,294.03

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Solution

The fourth proportional to 402,294.03, 564,786.28 and 402,294.03 is: 564,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,294.03 : 564,786.28 = 402,294.03 : x
  2. Step 2: Convert to fraction form
    402,294.03/564,786.28 = 402,294.03/x
  3. Step 3: Cross multiply
    402,294.03x = 564,786.28 × 402,294.03
  4. Step 4: Simplify right side
    402,294.03x = 227,210,143,834.51
  5. Step 5: Solve for x
    x = 227,210,143,834.51/402,294.03
  6. Step 6: Final answer
    x = 564,786.28

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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.