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Finding the Fourth Proportional to 616,599.79, 850,901.28 and 361,901.77

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Solution

The fourth proportional to 616,599.79, 850,901.28 and 361,901.77 is: 499,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,599.79 : 850,901.28 = 361,901.77 : x
  2. Step 2: Convert to fraction form
    616,599.79/850,901.28 = 361,901.77/x
  3. Step 3: Cross multiply
    616,599.79x = 850,901.28 × 361,901.77
  4. Step 4: Simplify right side
    616,599.79x = 307,942,679,327.27
  5. Step 5: Solve for x
    x = 307,942,679,327.27/616,599.79
  6. Step 6: Final answer
    x = 499,420.67

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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.