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Finding the Fourth Proportional to 473,478.04, 653,370.60 and 258,574.51

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Solution

The fourth proportional to 473,478.04, 653,370.60 and 258,574.51 is: 356,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,478.04 : 653,370.60 = 258,574.51 : x
  2. Step 2: Convert to fraction form
    473,478.04/653,370.60 = 258,574.51/x
  3. Step 3: Cross multiply
    473,478.04x = 653,370.60 × 258,574.51
  4. Step 4: Simplify right side
    473,478.04x = 168,944,982,743.41
  5. Step 5: Solve for x
    x = 168,944,982,743.41/473,478.04
  6. Step 6: Final answer
    x = 356,816.93

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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.