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Finding the Fourth Proportional to 673,200.53, 928,889.81 and 401,293.76

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Solution

The fourth proportional to 673,200.53, 928,889.81 and 401,293.76 is: 553,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,200.53 : 928,889.81 = 401,293.76 : x
  2. Step 2: Convert to fraction form
    673,200.53/928,889.81 = 401,293.76/x
  3. Step 3: Cross multiply
    673,200.53x = 928,889.81 × 401,293.76
  4. Step 4: Simplify right side
    673,200.53x = 372,757,679,334.52
  5. Step 5: Solve for x
    x = 372,757,679,334.52/673,200.53
  6. Step 6: Final answer
    x = 553,709.72

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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.