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Finding the Fourth Proportional to 423,959.85, 584,919.90 and 262,756.08

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Solution

The fourth proportional to 423,959.85, 584,919.90 and 262,756.08 is: 362,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,959.85 : 584,919.90 = 262,756.08 : x
  2. Step 2: Convert to fraction form
    423,959.85/584,919.90 = 262,756.08/x
  3. Step 3: Cross multiply
    423,959.85x = 584,919.90 × 262,756.08
  4. Step 4: Simplify right side
    423,959.85x = 153,691,260,037.99
  5. Step 5: Solve for x
    x = 153,691,260,037.99/423,959.85
  6. Step 6: Final answer
    x = 362,513.71

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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.