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Finding the Fourth Proportional to 706,539.10, 975,031.11 and 384,256.30

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Solution

The fourth proportional to 706,539.10, 975,031.11 and 384,256.30 is: 530,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,539.10 : 975,031.11 = 384,256.30 : x
  2. Step 2: Convert to fraction form
    706,539.10/975,031.11 = 384,256.30/x
  3. Step 3: Cross multiply
    706,539.10x = 975,031.11 × 384,256.30
  4. Step 4: Simplify right side
    706,539.10x = 374,661,846,713.49
  5. Step 5: Solve for x
    x = 374,661,846,713.49/706,539.10
  6. Step 6: Final answer
    x = 530,277.58

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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.