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Finding the Fourth Proportional to 632,491.20, 948,736.80 and 604,497.60

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Solution

The fourth proportional to 632,491.20, 948,736.80 and 604,497.60 is: 906,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,491.20 : 948,736.80 = 604,497.60 : x
  2. Step 2: Convert to fraction form
    632,491.20/948,736.80 = 604,497.60/x
  3. Step 3: Cross multiply
    632,491.20x = 948,736.80 × 604,497.60
  4. Step 4: Simplify right side
    632,491.20x = 573,509,118,631.68
  5. Step 5: Solve for x
    x = 573,509,118,631.68/632,491.20
  6. Step 6: Final answer
    x = 906,746.40

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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.