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Finding the Fourth Proportional to 341,703.90, 512,555.85 and 302,337.90

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Solution

The fourth proportional to 341,703.90, 512,555.85 and 302,337.90 is: 453,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,703.90 : 512,555.85 = 302,337.90 : x
  2. Step 2: Convert to fraction form
    341,703.90/512,555.85 = 302,337.90/x
  3. Step 3: Cross multiply
    341,703.90x = 512,555.85 × 302,337.90
  4. Step 4: Simplify right side
    341,703.90x = 154,965,059,321.72
  5. Step 5: Solve for x
    x = 154,965,059,321.72/341,703.90
  6. Step 6: Final answer
    x = 453,506.85

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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.