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Finding the Fourth Proportional to 545,525.16, 752,822.34 and 303,810.60

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Solution

The fourth proportional to 545,525.16, 752,822.34 and 303,810.60 is: 419,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,525.16 : 752,822.34 = 303,810.60 : x
  2. Step 2: Convert to fraction form
    545,525.16/752,822.34 = 303,810.60/x
  3. Step 3: Cross multiply
    545,525.16x = 752,822.34 × 303,810.60
  4. Step 4: Simplify right side
    545,525.16x = 228,715,406,808.80
  5. Step 5: Solve for x
    x = 228,715,406,808.80/545,525.16
  6. Step 6: Final answer
    x = 419,257.30

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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.