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Finding the Fourth Proportional to 602,287.60, 903,431.40 and 159,055.60

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Solution

The fourth proportional to 602,287.60, 903,431.40 and 159,055.60 is: 238,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,287.60 : 903,431.40 = 159,055.60 : x
  2. Step 2: Convert to fraction form
    602,287.60/903,431.40 = 159,055.60/x
  3. Step 3: Cross multiply
    602,287.60x = 903,431.40 × 159,055.60
  4. Step 4: Simplify right side
    602,287.60x = 143,695,823,385.84
  5. Step 5: Solve for x
    x = 143,695,823,385.84/602,287.60
  6. Step 6: Final answer
    x = 238,583.40

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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.