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Finding the Fourth Proportional to 415,075.44, 572,847.48 and 254,037.72

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Solution

The fourth proportional to 415,075.44, 572,847.48 and 254,037.72 is: 350,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,075.44 : 572,847.48 = 254,037.72 : x
  2. Step 2: Convert to fraction form
    415,075.44/572,847.48 = 254,037.72/x
  3. Step 3: Cross multiply
    415,075.44x = 572,847.48 × 254,037.72
  4. Step 4: Simplify right side
    415,075.44x = 145,524,867,726.95
  5. Step 5: Solve for x
    x = 145,524,867,726.95/415,075.44
  6. Step 6: Final answer
    x = 350,598.60

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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.