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Finding the Fourth Proportional to 343,368.42, 473,839.67 and 190,404.17

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Solution

The fourth proportional to 343,368.42, 473,839.67 and 190,404.17 is: 262,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,368.42 : 473,839.67 = 190,404.17 : x
  2. Step 2: Convert to fraction form
    343,368.42/473,839.67 = 190,404.17/x
  3. Step 3: Cross multiply
    343,368.42x = 473,839.67 × 190,404.17
  4. Step 4: Simplify right side
    343,368.42x = 90,221,048,963.13
  5. Step 5: Solve for x
    x = 90,221,048,963.13/343,368.42
  6. Step 6: Final answer
    x = 262,752.91

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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.