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Finding the Fourth Proportional to 519,795.07, 779,692.11 and 195,643.70

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Solution

The fourth proportional to 519,795.07, 779,692.11 and 195,643.70 is: 293,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,795.07 : 779,692.11 = 195,643.70 : x
  2. Step 2: Convert to fraction form
    519,795.07/779,692.11 = 195,643.70/x
  3. Step 3: Cross multiply
    519,795.07x = 779,692.11 × 195,643.70
  4. Step 4: Simplify right side
    519,795.07x = 152,541,845,362.75
  5. Step 5: Solve for x
    x = 152,541,845,362.75/519,795.07
  6. Step 6: Final answer
    x = 293,465.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.