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Finding the Fourth Proportional to 578,620.32, 798,504.30 and 333,600.23

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Solution

The fourth proportional to 578,620.32, 798,504.30 and 333,600.23 is: 460,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,620.32 : 798,504.30 = 333,600.23 : x
  2. Step 2: Convert to fraction form
    578,620.32/798,504.30 = 333,600.23/x
  3. Step 3: Cross multiply
    578,620.32x = 798,504.30 × 333,600.23
  4. Step 4: Simplify right side
    578,620.32x = 266,381,218,135.99
  5. Step 5: Solve for x
    x = 266,381,218,135.99/578,620.32
  6. Step 6: Final answer
    x = 460,373.08

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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.