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Finding the Fourth Proportional to 553,596.34, 764,151.60 and 344,208.10

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Solution

The fourth proportional to 553,596.34, 764,151.60 and 344,208.10 is: 475,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,596.34 : 764,151.60 = 344,208.10 : x
  2. Step 2: Convert to fraction form
    553,596.34/764,151.60 = 344,208.10/x
  3. Step 3: Cross multiply
    553,596.34x = 764,151.60 × 344,208.10
  4. Step 4: Simplify right side
    553,596.34x = 263,027,170,347.96
  5. Step 5: Solve for x
    x = 263,027,170,347.96/553,596.34
  6. Step 6: Final answer
    x = 475,124.47

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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.