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Finding the Fourth Proportional to 343,085.84, 473,205.48 and 235,673.36

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Solution

The fourth proportional to 343,085.84, 473,205.48 and 235,673.36 is: 325,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,085.84 : 473,205.48 = 235,673.36 : x
  2. Step 2: Convert to fraction form
    343,085.84/473,205.48 = 235,673.36/x
  3. Step 3: Cross multiply
    343,085.84x = 473,205.48 × 235,673.36
  4. Step 4: Simplify right side
    343,085.84x = 111,521,925,442.01
  5. Step 5: Solve for x
    x = 111,521,925,442.01/343,085.84
  6. Step 6: Final answer
    x = 325,055.46

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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.