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Finding the Fourth Proportional to 343,903.01, 473,805.48 and 266,111.19

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Solution

The fourth proportional to 343,903.01, 473,805.48 and 266,111.19 is: 366,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,903.01 : 473,805.48 = 266,111.19 : x
  2. Step 2: Convert to fraction form
    343,903.01/473,805.48 = 266,111.19/x
  3. Step 3: Cross multiply
    343,903.01x = 473,805.48 × 266,111.19
  4. Step 4: Simplify right side
    343,903.01x = 126,084,941,961.11
  5. Step 5: Solve for x
    x = 126,084,941,961.11/343,903.01
  6. Step 6: Final answer
    x = 366,629.36

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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.