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Finding the Fourth Proportional to 654,513.42, 903,210.57 and 368,026.14

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Solution

The fourth proportional to 654,513.42, 903,210.57 and 368,026.14 is: 507,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,513.42 : 903,210.57 = 368,026.14 : x
  2. Step 2: Convert to fraction form
    654,513.42/903,210.57 = 368,026.14/x
  3. Step 3: Cross multiply
    654,513.42x = 903,210.57 × 368,026.14
  4. Step 4: Simplify right side
    654,513.42x = 332,405,099,684.30
  5. Step 5: Solve for x
    x = 332,405,099,684.30/654,513.42
  6. Step 6: Final answer
    x = 507,865.98

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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.