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Finding the Fourth Proportional to 654,817.46, 903,634.72 and 383,046.26

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Solution

The fourth proportional to 654,817.46, 903,634.72 and 383,046.26 is: 528,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,817.46 : 903,634.72 = 383,046.26 : x
  2. Step 2: Convert to fraction form
    654,817.46/903,634.72 = 383,046.26/x
  3. Step 3: Cross multiply
    654,817.46x = 903,634.72 × 383,046.26
  4. Step 4: Simplify right side
    654,817.46x = 346,133,894,426.36
  5. Step 5: Solve for x
    x = 346,133,894,426.36/654,817.46
  6. Step 6: Final answer
    x = 528,596.01

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Double scale
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Similar ratio
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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.