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Finding the Fourth Proportional to 607,514.80, 910,834.80 and 341,356.90

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Solution

The fourth proportional to 607,514.80, 910,834.80 and 341,356.90 is: 511,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,514.80 : 910,834.80 = 341,356.90 : x
  2. Step 2: Convert to fraction form
    607,514.80/910,834.80 = 341,356.90/x
  3. Step 3: Cross multiply
    607,514.80x = 910,834.80 × 341,356.90
  4. Step 4: Simplify right side
    607,514.80x = 310,919,743,740.12
  5. Step 5: Solve for x
    x = 310,919,743,740.12/607,514.80
  6. Step 6: Final answer
    x = 511,789.58

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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.