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Finding the Fourth Proportional to 555,847.16, 833,566.50 and 191,005.30

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Solution

The fourth proportional to 555,847.16, 833,566.50 and 191,005.30 is: 286,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,847.16 : 833,566.50 = 191,005.30 : x
  2. Step 2: Convert to fraction form
    555,847.16/833,566.50 = 191,005.30/x
  3. Step 3: Cross multiply
    555,847.16x = 833,566.50 × 191,005.30
  4. Step 4: Simplify right side
    555,847.16x = 159,215,619,402.45
  5. Step 5: Solve for x
    x = 159,215,619,402.45/555,847.16
  6. Step 6: Final answer
    x = 286,437.77

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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.