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Finding the Fourth Proportional to 603,615.84, 832,987.08 and 331,700.64

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Solution

The fourth proportional to 603,615.84, 832,987.08 and 331,700.64 is: 457,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,615.84 : 832,987.08 = 331,700.64 : x
  2. Step 2: Convert to fraction form
    603,615.84/832,987.08 = 331,700.64/x
  3. Step 3: Cross multiply
    603,615.84x = 832,987.08 × 331,700.64
  4. Step 4: Simplify right side
    603,615.84x = 276,302,347,547.73
  5. Step 5: Solve for x
    x = 276,302,347,547.73/603,615.84
  6. Step 6: Final answer
    x = 457,745.36

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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.