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Finding the Fourth Proportional to 439,875.77, 607,028.18 and 238,671.77

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Solution

The fourth proportional to 439,875.77, 607,028.18 and 238,671.77 is: 329,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,875.77 : 607,028.18 = 238,671.77 : x
  2. Step 2: Convert to fraction form
    439,875.77/607,028.18 = 238,671.77/x
  3. Step 3: Cross multiply
    439,875.77x = 607,028.18 × 238,671.77
  4. Step 4: Simplify right side
    439,875.77x = 144,880,485,931.98
  5. Step 5: Solve for x
    x = 144,880,485,931.98/439,875.77
  6. Step 6: Final answer
    x = 329,366.83

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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.