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Finding the Fourth Proportional to 476,701.76, 715,043.37 and 192,384.74

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Solution

The fourth proportional to 476,701.76, 715,043.37 and 192,384.74 is: 288,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,701.76 : 715,043.37 = 192,384.74 : x
  2. Step 2: Convert to fraction form
    476,701.76/715,043.37 = 192,384.74/x
  3. Step 3: Cross multiply
    476,701.76x = 715,043.37 × 192,384.74
  4. Step 4: Simplify right side
    476,701.76x = 137,563,432,826.17
  5. Step 5: Solve for x
    x = 137,563,432,826.17/476,701.76
  6. Step 6: Final answer
    x = 288,573.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.