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Finding the Fourth Proportional to 334,518.60, 501,389.10 and 134,740.20

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Solution

The fourth proportional to 334,518.60, 501,389.10 and 134,740.20 is: 201,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,518.60 : 501,389.10 = 134,740.20 : x
  2. Step 2: Convert to fraction form
    334,518.60/501,389.10 = 134,740.20/x
  3. Step 3: Cross multiply
    334,518.60x = 501,389.10 × 134,740.20
  4. Step 4: Simplify right side
    334,518.60x = 67,557,267,611.82
  5. Step 5: Solve for x
    x = 67,557,267,611.82/334,518.60
  6. Step 6: Final answer
    x = 201,953.70

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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.