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Finding the Fourth Proportional to 360,716.06, 497,744.40 and 207,803.76

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Solution

The fourth proportional to 360,716.06, 497,744.40 and 207,803.76 is: 286,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,716.06 : 497,744.40 = 207,803.76 : x
  2. Step 2: Convert to fraction form
    360,716.06/497,744.40 = 207,803.76/x
  3. Step 3: Cross multiply
    360,716.06x = 497,744.40 × 207,803.76
  4. Step 4: Simplify right side
    360,716.06x = 103,433,157,838.94
  5. Step 5: Solve for x
    x = 103,433,157,838.94/360,716.06
  6. Step 6: Final answer
    x = 286,743.98

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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.