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Finding the Fourth Proportional to 893,497.60, 1,340,496.60 and 361,392.40

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Solution

The fourth proportional to 893,497.60, 1,340,496.60 and 361,392.40 is: 542,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,497.60 : 1,340,496.60 = 361,392.40 : x
  2. Step 2: Convert to fraction form
    893,497.60/1,340,496.60 = 361,392.40/x
  3. Step 3: Cross multiply
    893,497.60x = 1,340,496.60 × 361,392.40
  4. Step 4: Simplify right side
    893,497.60x = 484,445,283,465.84
  5. Step 5: Solve for x
    x = 484,445,283,465.84/893,497.60
  6. Step 6: Final answer
    x = 542,189.80

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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.