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Finding the Fourth Proportional to 553,762.34, 764,192.36 and 299,113.52

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Solution

The fourth proportional to 553,762.34, 764,192.36 and 299,113.52 is: 412,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,762.34 : 764,192.36 = 299,113.52 : x
  2. Step 2: Convert to fraction form
    553,762.34/764,192.36 = 299,113.52/x
  3. Step 3: Cross multiply
    553,762.34x = 764,192.36 × 299,113.52
  4. Step 4: Simplify right side
    553,762.34x = 228,580,266,756.71
  5. Step 5: Solve for x
    x = 228,580,266,756.71/553,762.34
  6. Step 6: Final answer
    x = 412,776.84

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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.