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Finding the Fourth Proportional to 975,133.56, 1,345,754.66 and 545,552

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Solution

The fourth proportional to 975,133.56, 1,345,754.66 and 545,552 is: 752,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,133.56 : 1,345,754.66 = 545,552 : x
  2. Step 2: Convert to fraction form
    975,133.56/1,345,754.66 = 545,552/x
  3. Step 3: Cross multiply
    975,133.56x = 1,345,754.66 × 545,552
  4. Step 4: Simplify right side
    975,133.56x = 734,179,146,272.32
  5. Step 5: Solve for x
    x = 734,179,146,272.32/975,133.56
  6. Step 6: Final answer
    x = 752,901.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.