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Finding the Fourth Proportional to 575,478.87, 863,187.62 and 176,119.91

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Solution

The fourth proportional to 575,478.87, 863,187.62 and 176,119.91 is: 264,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,478.87 : 863,187.62 = 176,119.91 : x
  2. Step 2: Convert to fraction form
    575,478.87/863,187.62 = 176,119.91/x
  3. Step 3: Cross multiply
    575,478.87x = 863,187.62 × 176,119.91
  4. Step 4: Simplify right side
    575,478.87x = 152,024,525,947.51
  5. Step 5: Solve for x
    x = 152,024,525,947.51/575,478.87
  6. Step 6: Final answer
    x = 264,170.47

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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.