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Finding the Fourth Proportional to 341,611.40, 512,417.10 and 104,953.70

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Solution

The fourth proportional to 341,611.40, 512,417.10 and 104,953.70 is: 157,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,611.40 : 512,417.10 = 104,953.70 : x
  2. Step 2: Convert to fraction form
    341,611.40/512,417.10 = 104,953.70/x
  3. Step 3: Cross multiply
    341,611.40x = 512,417.10 × 104,953.70
  4. Step 4: Simplify right side
    341,611.40x = 53,780,070,588.27
  5. Step 5: Solve for x
    x = 53,780,070,588.27/341,611.40
  6. Step 6: Final answer
    x = 157,430.55

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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.