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Finding the Fourth Proportional to 616,715.94, 850,713.12 and 362,017.92

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Solution

The fourth proportional to 616,715.94, 850,713.12 and 362,017.92 is: 499,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,715.94 : 850,713.12 = 362,017.92 : x
  2. Step 2: Convert to fraction form
    616,715.94/850,713.12 = 362,017.92/x
  3. Step 3: Cross multiply
    616,715.94x = 850,713.12 × 362,017.92
  4. Step 4: Simplify right side
    616,715.94x = 307,973,394,219.11
  5. Step 5: Solve for x
    x = 307,973,394,219.11/616,715.94
  6. Step 6: Final answer
    x = 499,376.41

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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.