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Finding the Fourth Proportional to 292,491.37, 403,778.41 and 185,113.45

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Solution

The fourth proportional to 292,491.37, 403,778.41 and 185,113.45 is: 255,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,491.37 : 403,778.41 = 185,113.45 : x
  2. Step 2: Convert to fraction form
    292,491.37/403,778.41 = 185,113.45/x
  3. Step 3: Cross multiply
    292,491.37x = 403,778.41 × 185,113.45
  4. Step 4: Simplify right side
    292,491.37x = 74,744,814,510.61
  5. Step 5: Solve for x
    x = 74,744,814,510.61/292,491.37
  6. Step 6: Final answer
    x = 255,545.37

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1.5x scale

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.