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Finding the Fourth Proportional to 553,850.28, 832,509.54 and 365,520.87

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Solution

The fourth proportional to 553,850.28, 832,509.54 and 365,520.87 is: 549,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,850.28 : 832,509.54 = 365,520.87 : x
  2. Step 2: Convert to fraction form
    553,850.28/832,509.54 = 365,520.87/x
  3. Step 3: Cross multiply
    553,850.28x = 832,509.54 × 365,520.87
  4. Step 4: Simplify right side
    553,850.28x = 304,299,611,344.10
  5. Step 5: Solve for x
    x = 304,299,611,344.10/553,850.28
  6. Step 6: Final answer
    x = 549,425.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.