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Finding the Fourth Proportional to 565,803.03, 780,793.42 and 336,360.77

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Solution

The fourth proportional to 565,803.03, 780,793.42 and 336,360.77 is: 464,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,803.03 : 780,793.42 = 336,360.77 : x
  2. Step 2: Convert to fraction form
    565,803.03/780,793.42 = 336,360.77/x
  3. Step 3: Cross multiply
    565,803.03x = 780,793.42 × 336,360.77
  4. Step 4: Simplify right side
    565,803.03x = 262,628,271,217.26
  5. Step 5: Solve for x
    x = 262,628,271,217.26/565,803.03
  6. Step 6: Final answer
    x = 464,169.08

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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.