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Finding the Fourth Proportional to 423,542.59, 584,762.30 and 262,569.67

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Solution

The fourth proportional to 423,542.59, 584,762.30 and 262,569.67 is: 362,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,542.59 : 584,762.30 = 262,569.67 : x
  2. Step 2: Convert to fraction form
    423,542.59/584,762.30 = 262,569.67/x
  3. Step 3: Cross multiply
    423,542.59x = 584,762.30 × 262,569.67
  4. Step 4: Simplify right side
    423,542.59x = 153,540,844,139.44
  5. Step 5: Solve for x
    x = 153,540,844,139.44/423,542.59
  6. Step 6: Final answer
    x = 362,515.71

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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.