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Finding the Fourth Proportional to 346,295.70, 519,335.55 and 135,998.10

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Solution

The fourth proportional to 346,295.70, 519,335.55 and 135,998.10 is: 203,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,295.70 : 519,335.55 = 135,998.10 : x
  2. Step 2: Convert to fraction form
    346,295.70/519,335.55 = 135,998.10/x
  3. Step 3: Cross multiply
    346,295.70x = 519,335.55 × 135,998.10
  4. Step 4: Simplify right side
    346,295.70x = 70,628,648,062.46
  5. Step 5: Solve for x
    x = 70,628,648,062.46/346,295.70
  6. Step 6: Final answer
    x = 203,954.74

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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.