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Finding the Fourth Proportional to 633,235.40, 948,009.90 and 614,803.40

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Solution

The fourth proportional to 633,235.40, 948,009.90 and 614,803.40 is: 920,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,235.40 : 948,009.90 = 614,803.40 : x
  2. Step 2: Convert to fraction form
    633,235.40/948,009.90 = 614,803.40/x
  3. Step 3: Cross multiply
    633,235.40x = 948,009.90 × 614,803.40
  4. Step 4: Simplify right side
    633,235.40x = 582,839,709,753.66
  5. Step 5: Solve for x
    x = 582,839,709,753.66/633,235.40
  6. Step 6: Final answer
    x = 920,415.55

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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.