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Finding the Fourth Proportional to 504,977.28, 697,121.20 and 314,052.20

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Solution

The fourth proportional to 504,977.28, 697,121.20 and 314,052.20 is: 433,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,977.28 : 697,121.20 = 314,052.20 : x
  2. Step 2: Convert to fraction form
    504,977.28/697,121.20 = 314,052.20/x
  3. Step 3: Cross multiply
    504,977.28x = 697,121.20 × 314,052.20
  4. Step 4: Simplify right side
    504,977.28x = 218,932,446,526.64
  5. Step 5: Solve for x
    x = 218,932,446,526.64/504,977.28
  6. Step 6: Final answer
    x = 433,549.10

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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.