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Finding the Fourth Proportional to 535,015.41, 738,320.72 and 293,300.07

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Solution

The fourth proportional to 535,015.41, 738,320.72 and 293,300.07 is: 404,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,015.41 : 738,320.72 = 293,300.07 : x
  2. Step 2: Convert to fraction form
    535,015.41/738,320.72 = 293,300.07/x
  3. Step 3: Cross multiply
    535,015.41x = 738,320.72 × 293,300.07
  4. Step 4: Simplify right side
    535,015.41x = 216,549,517,391.95
  5. Step 5: Solve for x
    x = 216,549,517,391.95/535,015.41
  6. Step 6: Final answer
    x = 404,753.79

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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.