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Finding the Fourth Proportional to 473,356.22, 710,040.60 and 157,813.22

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Solution

The fourth proportional to 473,356.22, 710,040.60 and 157,813.22 is: 236,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,356.22 : 710,040.60 = 157,813.22 : x
  2. Step 2: Convert to fraction form
    473,356.22/710,040.60 = 157,813.22/x
  3. Step 3: Cross multiply
    473,356.22x = 710,040.60 × 157,813.22
  4. Step 4: Simplify right side
    473,356.22x = 112,053,795,191.83
  5. Step 5: Solve for x
    x = 112,053,795,191.83/473,356.22
  6. Step 6: Final answer
    x = 236,721.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.