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Finding the Fourth Proportional to 604,855.60, 907,283.40 and 492,881.20

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Solution

The fourth proportional to 604,855.60, 907,283.40 and 492,881.20 is: 739,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,855.60 : 907,283.40 = 492,881.20 : x
  2. Step 2: Convert to fraction form
    604,855.60/907,283.40 = 492,881.20/x
  3. Step 3: Cross multiply
    604,855.60x = 907,283.40 × 492,881.20
  4. Step 4: Simplify right side
    604,855.60x = 447,182,930,932.08
  5. Step 5: Solve for x
    x = 447,182,930,932.08/604,855.60
  6. Step 6: Final answer
    x = 739,321.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.