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Finding the Fourth Proportional to 334,271.40, 500,969.70 and 134,428.20

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Solution

The fourth proportional to 334,271.40, 500,969.70 and 134,428.20 is: 201,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,271.40 : 500,969.70 = 134,428.20 : x
  2. Step 2: Convert to fraction form
    334,271.40/500,969.70 = 134,428.20/x
  3. Step 3: Cross multiply
    334,271.40x = 500,969.70 × 134,428.20
  4. Step 4: Simplify right side
    334,271.40x = 67,344,455,025.54
  5. Step 5: Solve for x
    x = 67,344,455,025.54/334,271.40
  6. Step 6: Final answer
    x = 201,466.40

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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.