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Finding the Fourth Proportional to 292,777.40, 437,853.90 and 245,538.20

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Solution

The fourth proportional to 292,777.40, 437,853.90 and 245,538.20 is: 367,206.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,777.40 : 437,853.90 = 245,538.20 : x
  2. Step 2: Convert to fraction form
    292,777.40/437,853.90 = 245,538.20/x
  3. Step 3: Cross multiply
    292,777.40x = 437,853.90 × 245,538.20
  4. Step 4: Simplify right side
    292,777.40x = 107,509,858,468.98
  5. Step 5: Solve for x
    x = 107,509,858,468.98/292,777.40
  6. Step 6: Final answer
    x = 367,206.82

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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.