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Finding the Fourth Proportional to 343,064.47, 473,273.71 and 207,054.94

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Solution

The fourth proportional to 343,064.47, 473,273.71 and 207,054.94 is: 285,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,064.47 : 473,273.71 = 207,054.94 : x
  2. Step 2: Convert to fraction form
    343,064.47/473,273.71 = 207,054.94/x
  3. Step 3: Cross multiply
    343,064.47x = 473,273.71 × 207,054.94
  4. Step 4: Simplify right side
    343,064.47x = 97,993,659,627.63
  5. Step 5: Solve for x
    x = 97,993,659,627.63/343,064.47
  6. Step 6: Final answer
    x = 285,642.11

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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.