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Finding the Fourth Proportional to 527,598.98, 728,100.05 and 323,762.48

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Solution

The fourth proportional to 527,598.98, 728,100.05 and 323,762.48 is: 446,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,598.98 : 728,100.05 = 323,762.48 : x
  2. Step 2: Convert to fraction form
    527,598.98/728,100.05 = 323,762.48/x
  3. Step 3: Cross multiply
    527,598.98x = 728,100.05 × 323,762.48
  4. Step 4: Simplify right side
    527,598.98x = 235,731,476,257.31
  5. Step 5: Solve for x
    x = 235,731,476,257.31/527,598.98
  6. Step 6: Final answer
    x = 446,800.48

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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.