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Finding the Fourth Proportional to 341,610.90, 512,416.35 and 104,953.20

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Solution

The fourth proportional to 341,610.90, 512,416.35 and 104,953.20 is: 157,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,610.90 : 512,416.35 = 104,953.20 : x
  2. Step 2: Convert to fraction form
    341,610.90/512,416.35 = 104,953.20/x
  3. Step 3: Cross multiply
    341,610.90x = 512,416.35 × 104,953.20
  4. Step 4: Simplify right side
    341,610.90x = 53,779,735,664.82
  5. Step 5: Solve for x
    x = 53,779,735,664.82/341,610.90
  6. Step 6: Final answer
    x = 157,429.80

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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.