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Finding the Fourth Proportional to 553,800.13, 764,244.60 and 299,151.34

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Solution

The fourth proportional to 553,800.13, 764,244.60 and 299,151.34 is: 412,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,800.13 : 764,244.60 = 299,151.34 : x
  2. Step 2: Convert to fraction form
    553,800.13/764,244.60 = 299,151.34/x
  3. Step 3: Cross multiply
    553,800.13x = 764,244.60 × 299,151.34
  4. Step 4: Simplify right side
    553,800.13x = 228,624,796,177.76
  5. Step 5: Solve for x
    x = 228,624,796,177.76/553,800.13
  6. Step 6: Final answer
    x = 412,829.08

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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.