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Finding the Fourth Proportional to 560,737.98, 773,829 and 306,098.28

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Solution

The fourth proportional to 560,737.98, 773,829 and 306,098.28 is: 422,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,737.98 : 773,829 = 306,098.28 : x
  2. Step 2: Convert to fraction form
    560,737.98/773,829 = 306,098.28/x
  3. Step 3: Cross multiply
    560,737.98x = 773,829 × 306,098.28
  4. Step 4: Simplify right side
    560,737.98x = 236,867,725,914.12
  5. Step 5: Solve for x
    x = 236,867,725,914.12/560,737.98
  6. Step 6: Final answer
    x = 422,421.41

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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.