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Finding the Fourth Proportional to 602,671.60, 904,007.40 and 153,391.60

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Solution

The fourth proportional to 602,671.60, 904,007.40 and 153,391.60 is: 230,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,671.60 : 904,007.40 = 153,391.60 : x
  2. Step 2: Convert to fraction form
    602,671.60/904,007.40 = 153,391.60/x
  3. Step 3: Cross multiply
    602,671.60x = 904,007.40 × 153,391.60
  4. Step 4: Simplify right side
    602,671.60x = 138,667,141,497.84
  5. Step 5: Solve for x
    x = 138,667,141,497.84/602,671.60
  6. Step 6: Final answer
    x = 230,087.40

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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.