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Finding the Fourth Proportional to 426,013.94, 588,094.92 and 367,638.45

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Solution

The fourth proportional to 426,013.94, 588,094.92 and 367,638.45 is: 507,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,013.94 : 588,094.92 = 367,638.45 : x
  2. Step 2: Convert to fraction form
    426,013.94/588,094.92 = 367,638.45/x
  3. Step 3: Cross multiply
    426,013.94x = 588,094.92 × 367,638.45
  4. Step 4: Simplify right side
    426,013.94x = 216,206,303,922.58
  5. Step 5: Solve for x
    x = 216,206,303,922.58/426,013.94
  6. Step 6: Final answer
    x = 507,509.93

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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.