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Finding the Fourth Proportional to 374,807.15, 517,237.95 and 205,037.63

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Solution

The fourth proportional to 374,807.15, 517,237.95 and 205,037.63 is: 282,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,807.15 : 517,237.95 = 205,037.63 : x
  2. Step 2: Convert to fraction form
    374,807.15/517,237.95 = 205,037.63/x
  3. Step 3: Cross multiply
    374,807.15x = 517,237.95 × 205,037.63
  4. Step 4: Simplify right side
    374,807.15x = 106,053,243,414.06
  5. Step 5: Solve for x
    x = 106,053,243,414.06/374,807.15
  6. Step 6: Final answer
    x = 282,954.16

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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.