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Finding the Fourth Proportional to 610,479.99, 842,464.80 and 338,573.12

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Solution

The fourth proportional to 610,479.99, 842,464.80 and 338,573.12 is: 467,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,479.99 : 842,464.80 = 338,573.12 : x
  2. Step 2: Convert to fraction form
    610,479.99/842,464.80 = 338,573.12/x
  3. Step 3: Cross multiply
    610,479.99x = 842,464.80 × 338,573.12
  4. Step 4: Simplify right side
    610,479.99x = 285,235,931,613.85
  5. Step 5: Solve for x
    x = 285,235,931,613.85/610,479.99
  6. Step 6: Final answer
    x = 467,232.24

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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.