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Finding the Fourth Proportional to 922,818.84, 1,384,219.95 and 291,732.85

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Solution

The fourth proportional to 922,818.84, 1,384,219.95 and 291,732.85 is: 437,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,818.84 : 1,384,219.95 = 291,732.85 : x
  2. Step 2: Convert to fraction form
    922,818.84/1,384,219.95 = 291,732.85/x
  3. Step 3: Cross multiply
    922,818.84x = 1,384,219.95 × 291,732.85
  4. Step 4: Simplify right side
    922,818.84x = 403,822,431,040.36
  5. Step 5: Solve for x
    x = 403,822,431,040.36/922,818.84
  6. Step 6: Final answer
    x = 437,596.65

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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.