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Finding the Fourth Proportional to 436,854.14, 602,878.11 and 245,879.90

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Solution

The fourth proportional to 436,854.14, 602,878.11 and 245,879.90 is: 339,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,854.14 : 602,878.11 = 245,879.90 : x
  2. Step 2: Convert to fraction form
    436,854.14/602,878.11 = 245,879.90/x
  3. Step 3: Cross multiply
    436,854.14x = 602,878.11 × 245,879.90
  4. Step 4: Simplify right side
    436,854.14x = 148,235,609,398.99
  5. Step 5: Solve for x
    x = 148,235,609,398.99/436,854.14
  6. Step 6: Final answer
    x = 339,325.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.