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Finding the Fourth Proportional to 556,332.55, 834,841.46 and 219,315.85

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Solution

The fourth proportional to 556,332.55, 834,841.46 and 219,315.85 is: 329,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,332.55 : 834,841.46 = 219,315.85 : x
  2. Step 2: Convert to fraction form
    556,332.55/834,841.46 = 219,315.85/x
  3. Step 3: Cross multiply
    556,332.55x = 834,841.46 × 219,315.85
  4. Step 4: Simplify right side
    556,332.55x = 183,093,964,415.14
  5. Step 5: Solve for x
    x = 183,093,964,415.14/556,332.55
  6. Step 6: Final answer
    x = 329,108.85

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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.