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Finding the Fourth Proportional to 560,900.48, 774,036.80 and 306,250.88

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Solution

The fourth proportional to 560,900.48, 774,036.80 and 306,250.88 is: 422,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,900.48 : 774,036.80 = 306,250.88 : x
  2. Step 2: Convert to fraction form
    560,900.48/774,036.80 = 306,250.88/x
  3. Step 3: Cross multiply
    560,900.48x = 774,036.80 × 306,250.88
  4. Step 4: Simplify right side
    560,900.48x = 237,049,451,152.38
  5. Step 5: Solve for x
    x = 237,049,451,152.38/560,900.48
  6. Step 6: Final answer
    x = 422,623.01

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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.