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Finding the Fourth Proportional to 473,680.81, 653,671.82 and 258,816.26

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Solution

The fourth proportional to 473,680.81, 653,671.82 and 258,816.26 is: 357,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,680.81 : 653,671.82 = 258,816.26 : x
  2. Step 2: Convert to fraction form
    473,680.81/653,671.82 = 258,816.26/x
  3. Step 3: Cross multiply
    473,680.81x = 653,671.82 × 258,816.26
  4. Step 4: Simplify right side
    473,680.81x = 169,180,898,001.01
  5. Step 5: Solve for x
    x = 169,180,898,001.01/473,680.81
  6. Step 6: Final answer
    x = 357,162.24

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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.