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Finding the Fourth Proportional to 245,440.60, 368,160.90 and 201,117.40

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Solution

The fourth proportional to 245,440.60, 368,160.90 and 201,117.40 is: 301,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,440.60 : 368,160.90 = 201,117.40 : x
  2. Step 2: Convert to fraction form
    245,440.60/368,160.90 = 201,117.40/x
  3. Step 3: Cross multiply
    245,440.60x = 368,160.90 × 201,117.40
  4. Step 4: Simplify right side
    245,440.60x = 74,043,562,989.66
  5. Step 5: Solve for x
    x = 74,043,562,989.66/245,440.60
  6. Step 6: Final answer
    x = 301,676.10

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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.