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Finding the Fourth Proportional to 349,700.40, 524,809.80 and 231,332.40

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Solution

The fourth proportional to 349,700.40, 524,809.80 and 231,332.40 is: 347,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,700.40 : 524,809.80 = 231,332.40 : x
  2. Step 2: Convert to fraction form
    349,700.40/524,809.80 = 231,332.40/x
  3. Step 3: Cross multiply
    349,700.40x = 524,809.80 × 231,332.40
  4. Step 4: Simplify right side
    349,700.40x = 121,405,510,577.52
  5. Step 5: Solve for x
    x = 121,405,510,577.52/349,700.40
  6. Step 6: Final answer
    x = 347,170.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.