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Finding the Fourth Proportional to 349,700.40, 524,550.60 and 96,980.40

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Solution

The fourth proportional to 349,700.40, 524,550.60 and 96,980.40 is: 145,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,700.40 : 524,550.60 = 96,980.40 : x
  2. Step 2: Convert to fraction form
    349,700.40/524,550.60 = 96,980.40/x
  3. Step 3: Cross multiply
    349,700.40x = 524,550.60 × 96,980.40
  4. Step 4: Simplify right side
    349,700.40x = 50,871,127,008.24
  5. Step 5: Solve for x
    x = 50,871,127,008.24/349,700.40
  6. Step 6: Final answer
    x = 145,470.60

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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.