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Finding the Fourth Proportional to 343,240.70, 473,684.03 and 207,247.57

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Solution

The fourth proportional to 343,240.70, 473,684.03 and 207,247.57 is: 286,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,240.70 : 473,684.03 = 207,247.57 : x
  2. Step 2: Convert to fraction form
    343,240.70/473,684.03 = 207,247.57/x
  3. Step 3: Cross multiply
    343,240.70x = 473,684.03 × 207,247.57
  4. Step 4: Simplify right side
    343,240.70x = 98,169,864,165.31
  5. Step 5: Solve for x
    x = 98,169,864,165.31/343,240.70
  6. Step 6: Final answer
    x = 286,008.81

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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.