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Finding the Fourth Proportional to 343,503.18, 473,937.48 and 222,649.56

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Solution

The fourth proportional to 343,503.18, 473,937.48 and 222,649.56 is: 307,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,503.18 : 473,937.48 = 222,649.56 : x
  2. Step 2: Convert to fraction form
    343,503.18/473,937.48 = 222,649.56/x
  3. Step 3: Cross multiply
    343,503.18x = 473,937.48 × 222,649.56
  4. Step 4: Simplify right side
    343,503.18x = 105,521,971,389.51
  5. Step 5: Solve for x
    x = 105,521,971,389.51/343,503.18
  6. Step 6: Final answer
    x = 307,193.58

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1.5x scale

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.