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Finding the Fourth Proportional to 565,590.38, 780,433.52 and 332,878.95

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Solution

The fourth proportional to 565,590.38, 780,433.52 and 332,878.95 is: 459,325.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,590.38 : 780,433.52 = 332,878.95 : x
  2. Step 2: Convert to fraction form
    565,590.38/780,433.52 = 332,878.95/x
  3. Step 3: Cross multiply
    565,590.38x = 780,433.52 × 332,878.95
  4. Step 4: Simplify right side
    565,590.38x = 259,789,889,018.01
  5. Step 5: Solve for x
    x = 259,789,889,018.01/565,590.38
  6. Step 6: Final answer
    x = 459,325.16

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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.