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Finding the Fourth Proportional to 230,118.70, 317,557.90 and 223,328.07

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Solution

The fourth proportional to 230,118.70, 317,557.90 and 223,328.07 is: 308,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,118.70 : 317,557.90 = 223,328.07 : x
  2. Step 2: Convert to fraction form
    230,118.70/317,557.90 = 223,328.07/x
  3. Step 3: Cross multiply
    230,118.70x = 317,557.90 × 223,328.07
  4. Step 4: Simplify right side
    230,118.70x = 70,919,591,332.46
  5. Step 5: Solve for x
    x = 70,919,591,332.46/230,118.70
  6. Step 6: Final answer
    x = 308,187.00

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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.