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Finding the Fourth Proportional to 632,495.20, 948,742.80 and 604,501.60

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Solution

The fourth proportional to 632,495.20, 948,742.80 and 604,501.60 is: 906,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,495.20 : 948,742.80 = 604,501.60 : x
  2. Step 2: Convert to fraction form
    632,495.20/948,742.80 = 604,501.60/x
  3. Step 3: Cross multiply
    632,495.20x = 948,742.80 × 604,501.60
  4. Step 4: Simplify right side
    632,495.20x = 573,516,540,588.48
  5. Step 5: Solve for x
    x = 573,516,540,588.48/632,495.20
  6. Step 6: Final answer
    x = 906,752.40

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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.