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Finding the Fourth Proportional to 341,401.40, 512,102.10 and 235,113.20

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Solution

The fourth proportional to 341,401.40, 512,102.10 and 235,113.20 is: 352,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.40 : 512,102.10 = 235,113.20 : x
  2. Step 2: Convert to fraction form
    341,401.40/512,102.10 = 235,113.20/x
  3. Step 3: Cross multiply
    341,401.40x = 512,102.10 × 235,113.20
  4. Step 4: Simplify right side
    341,401.40x = 120,401,963,457.72
  5. Step 5: Solve for x
    x = 120,401,963,457.72/341,401.40
  6. Step 6: Final answer
    x = 352,669.80

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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.