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Finding the Fourth Proportional to 343,065.48, 473,275.08 and 207,055.94

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Solution

The fourth proportional to 343,065.48, 473,275.08 and 207,055.94 is: 285,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,065.48 : 473,275.08 = 207,055.94 : x
  2. Step 2: Convert to fraction form
    343,065.48/473,275.08 = 207,055.94/x
  3. Step 3: Cross multiply
    343,065.48x = 473,275.08 × 207,055.94
  4. Step 4: Simplify right side
    343,065.48x = 97,994,416,567.98
  5. Step 5: Solve for x
    x = 97,994,416,567.98/343,065.48
  6. Step 6: Final answer
    x = 285,643.48

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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.