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Finding the Fourth Proportional to 542,567.62, 812,522.64 and 382,249.58

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Solution

The fourth proportional to 542,567.62, 812,522.64 and 382,249.58 is: 572,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,567.62 : 812,522.64 = 382,249.58 : x
  2. Step 2: Convert to fraction form
    542,567.62/812,522.64 = 382,249.58/x
  3. Step 3: Cross multiply
    542,567.62x = 812,522.64 × 382,249.58
  4. Step 4: Simplify right side
    542,567.62x = 310,586,437,880.49
  5. Step 5: Solve for x
    x = 310,586,437,880.49/542,567.62
  6. Step 6: Final answer
    x = 572,438.22

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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.