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Finding the Fourth Proportional to 292,408.02, 438,666.74 and 92,674.78

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Solution

The fourth proportional to 292,408.02, 438,666.74 and 92,674.78 is: 139,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,408.02 : 438,666.74 = 92,674.78 : x
  2. Step 2: Convert to fraction form
    292,408.02/438,666.74 = 92,674.78/x
  3. Step 3: Cross multiply
    292,408.02x = 438,666.74 × 92,674.78
  4. Step 4: Simplify right side
    292,408.02x = 40,653,343,622.82
  5. Step 5: Solve for x
    x = 40,653,343,622.82/292,408.02
  6. Step 6: Final answer
    x = 139,029.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.