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Finding the Fourth Proportional to 573,212.22, 859,817.31 and 152,488.11

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Solution

The fourth proportional to 573,212.22, 859,817.31 and 152,488.11 is: 228,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,212.22 : 859,817.31 = 152,488.11 : x
  2. Step 2: Convert to fraction form
    573,212.22/859,817.31 = 152,488.11/x
  3. Step 3: Cross multiply
    573,212.22x = 859,817.31 × 152,488.11
  4. Step 4: Simplify right side
    573,212.22x = 131,111,916,547.18
  5. Step 5: Solve for x
    x = 131,111,916,547.18/573,212.22
  6. Step 6: Final answer
    x = 228,731.89

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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.