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Finding the Fourth Proportional to 291,692.07, 437,538.00 and 70,076.07

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Solution

The fourth proportional to 291,692.07, 437,538.00 and 70,076.07 is: 105,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,692.07 : 437,538.00 = 70,076.07 : x
  2. Step 2: Convert to fraction form
    291,692.07/437,538.00 = 70,076.07/x
  3. Step 3: Cross multiply
    291,692.07x = 437,538.00 × 70,076.07
  4. Step 4: Simplify right side
    291,692.07x = 30,660,943,778.45
  5. Step 5: Solve for x
    x = 30,660,943,778.45/291,692.07
  6. Step 6: Final answer
    x = 105,114.08

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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.