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Finding the Fourth Proportional to 707,226.21, 975,993.30 and 435,450.87

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Solution

The fourth proportional to 707,226.21, 975,993.30 and 435,450.87 is: 600,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,226.21 : 975,993.30 = 435,450.87 : x
  2. Step 2: Convert to fraction form
    707,226.21/975,993.30 = 435,450.87/x
  3. Step 3: Cross multiply
    707,226.21x = 975,993.30 × 435,450.87
  4. Step 4: Simplify right side
    707,226.21x = 424,997,131,599.17
  5. Step 5: Solve for x
    x = 424,997,131,599.17/707,226.21
  6. Step 6: Final answer
    x = 600,935.21

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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.