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Finding the Fourth Proportional to 245,421.60, 368,132.40 and 201,098.40

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Solution

The fourth proportional to 245,421.60, 368,132.40 and 201,098.40 is: 301,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,421.60 : 368,132.40 = 201,098.40 : x
  2. Step 2: Convert to fraction form
    245,421.60/368,132.40 = 201,098.40/x
  3. Step 3: Cross multiply
    245,421.60x = 368,132.40 × 201,098.40
  4. Step 4: Simplify right side
    245,421.60x = 74,030,836,628.16
  5. Step 5: Solve for x
    x = 74,030,836,628.16/245,421.60
  6. Step 6: Final answer
    x = 301,647.60

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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.