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Finding the Fourth Proportional to 575,784.61, 863,645.79 and 176,426.56

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Solution

The fourth proportional to 575,784.61, 863,645.79 and 176,426.56 is: 264,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,784.61 : 863,645.79 = 176,426.56 : x
  2. Step 2: Convert to fraction form
    575,784.61/863,645.79 = 176,426.56/x
  3. Step 3: Cross multiply
    575,784.61x = 863,645.79 × 176,426.56
  4. Step 4: Simplify right side
    575,784.61x = 152,370,059,958.34
  5. Step 5: Solve for x
    x = 152,370,059,958.34/575,784.61
  6. Step 6: Final answer
    x = 264,630.31

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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.