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Finding the Fourth Proportional to 507,813.36, 700,418.52 and 335,531.76

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Solution

The fourth proportional to 507,813.36, 700,418.52 and 335,531.76 is: 462,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,813.36 : 700,418.52 = 335,531.76 : x
  2. Step 2: Convert to fraction form
    507,813.36/700,418.52 = 335,531.76/x
  3. Step 3: Cross multiply
    507,813.36x = 700,418.52 × 335,531.76
  4. Step 4: Simplify right side
    507,813.36x = 235,012,658,752.20
  5. Step 5: Solve for x
    x = 235,012,658,752.20/507,813.36
  6. Step 6: Final answer
    x = 462,793.38

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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.