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Finding the Fourth Proportional to 341,390.10, 512,085.15 and 229,124.10

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Solution

The fourth proportional to 341,390.10, 512,085.15 and 229,124.10 is: 343,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,390.10 : 512,085.15 = 229,124.10 : x
  2. Step 2: Convert to fraction form
    341,390.10/512,085.15 = 229,124.10/x
  3. Step 3: Cross multiply
    341,390.10x = 512,085.15 × 229,124.10
  4. Step 4: Simplify right side
    341,390.10x = 117,331,049,117.12
  5. Step 5: Solve for x
    x = 117,331,049,117.12/341,390.10
  6. Step 6: Final answer
    x = 343,686.15

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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.