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Finding the Fourth Proportional to 367,718.72, 507,645.60 and 247,492.16

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Solution

The fourth proportional to 367,718.72, 507,645.60 and 247,492.16 is: 341,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,718.72 : 507,645.60 = 247,492.16 : x
  2. Step 2: Convert to fraction form
    367,718.72/507,645.60 = 247,492.16/x
  3. Step 3: Cross multiply
    367,718.72x = 507,645.60 × 247,492.16
  4. Step 4: Simplify right side
    367,718.72x = 125,638,306,058.50
  5. Step 5: Solve for x
    x = 125,638,306,058.50/367,718.72
  6. Step 6: Final answer
    x = 341,669.59

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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.