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Finding the Fourth Proportional to 556,113.16, 833,608.88 and 219,023.56

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Solution

The fourth proportional to 556,113.16, 833,608.88 and 219,023.56 is: 328,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,113.16 : 833,608.88 = 219,023.56 : x
  2. Step 2: Convert to fraction form
    556,113.16/833,608.88 = 219,023.56/x
  3. Step 3: Cross multiply
    556,113.16x = 833,608.88 × 219,023.56
  4. Step 4: Simplify right side
    556,113.16x = 182,579,984,545.21
  5. Step 5: Solve for x
    x = 182,579,984,545.21/556,113.16
  6. Step 6: Final answer
    x = 328,314.45

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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.