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Finding the Fourth Proportional to 565,599.21, 780,445.71 and 332,887.83

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Solution

The fourth proportional to 565,599.21, 780,445.71 and 332,887.83 is: 459,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,599.21 : 780,445.71 = 332,887.83 : x
  2. Step 2: Convert to fraction form
    565,599.21/780,445.71 = 332,887.83/x
  3. Step 3: Cross multiply
    565,599.21x = 780,445.71 × 332,887.83
  4. Step 4: Simplify right side
    565,599.21x = 259,800,878,834.71
  5. Step 5: Solve for x
    x = 259,800,878,834.71/565,599.21
  6. Step 6: Final answer
    x = 459,337.41

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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.