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Finding the Fourth Proportional to 472,866.39, 652,557.78 and 258,011.01

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Solution

The fourth proportional to 472,866.39, 652,557.78 and 258,011.01 is: 356,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,866.39 : 652,557.78 = 258,011.01 : x
  2. Step 2: Convert to fraction form
    472,866.39/652,557.78 = 258,011.01/x
  3. Step 3: Cross multiply
    472,866.39x = 652,557.78 × 258,011.01
  4. Step 4: Simplify right side
    472,866.39x = 168,367,091,901.16
  5. Step 5: Solve for x
    x = 168,367,091,901.16/472,866.39
  6. Step 6: Final answer
    x = 356,056.37

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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.