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Finding the Fourth Proportional to 526,075.74, 726,226.11 and 308,254.14

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Solution

The fourth proportional to 526,075.74, 726,226.11 and 308,254.14 is: 425,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,075.74 : 726,226.11 = 308,254.14 : x
  2. Step 2: Convert to fraction form
    526,075.74/726,226.11 = 308,254.14/x
  3. Step 3: Cross multiply
    526,075.74x = 726,226.11 × 308,254.14
  4. Step 4: Simplify right side
    526,075.74x = 223,862,204,983.60
  5. Step 5: Solve for x
    x = 223,862,204,983.60/526,075.74
  6. Step 6: Final answer
    x = 425,532.27

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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.