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Finding the Fourth Proportional to 367,935.77, 507,373.31 and 307,483.85

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Solution

The fourth proportional to 367,935.77, 507,373.31 and 307,483.85 is: 424,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,935.77 : 507,373.31 = 307,483.85 : x
  2. Step 2: Convert to fraction form
    367,935.77/507,373.31 = 307,483.85/x
  3. Step 3: Cross multiply
    367,935.77x = 507,373.31 × 307,483.85
  4. Step 4: Simplify right side
    367,935.77x = 156,009,094,671.76
  5. Step 5: Solve for x
    x = 156,009,094,671.76/367,935.77
  6. Step 6: Final answer
    x = 424,011.77

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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.