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Finding the Fourth Proportional to 560,927.20, 839,641.20 and 403,463.20

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Solution

The fourth proportional to 560,927.20, 839,641.20 and 403,463.20 is: 603,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,927.20 : 839,641.20 = 403,463.20 : x
  2. Step 2: Convert to fraction form
    560,927.20/839,641.20 = 403,463.20/x
  3. Step 3: Cross multiply
    560,927.20x = 839,641.20 × 403,463.20
  4. Step 4: Simplify right side
    560,927.20x = 338,764,325,403.84
  5. Step 5: Solve for x
    x = 338,764,325,403.84/560,927.20
  6. Step 6: Final answer
    x = 603,936.35

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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.