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Finding the Fourth Proportional to 341,488.80, 512,233.20 and 201,405.60

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Solution

The fourth proportional to 341,488.80, 512,233.20 and 201,405.60 is: 302,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,488.80 : 512,233.20 = 201,405.60 : x
  2. Step 2: Convert to fraction form
    341,488.80/512,233.20 = 201,405.60/x
  3. Step 3: Cross multiply
    341,488.80x = 512,233.20 × 201,405.60
  4. Step 4: Simplify right side
    341,488.80x = 103,166,634,985.92
  5. Step 5: Solve for x
    x = 103,166,634,985.92/341,488.80
  6. Step 6: Final answer
    x = 302,108.40

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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.