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Finding the Fourth Proportional to 536,717.80, 805,595.10 and 326,765.80

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Solution

The fourth proportional to 536,717.80, 805,595.10 and 326,765.80 is: 490,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,717.80 : 805,595.10 = 326,765.80 : x
  2. Step 2: Convert to fraction form
    536,717.80/805,595.10 = 326,765.80/x
  3. Step 3: Cross multiply
    536,717.80x = 805,595.10 × 326,765.80
  4. Step 4: Simplify right side
    536,717.80x = 263,240,927,327.58
  5. Step 5: Solve for x
    x = 263,240,927,327.58/536,717.80
  6. Step 6: Final answer
    x = 490,464.31

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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.