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Finding the Fourth Proportional to 575,468.30, 863,328.89 and 176,139.87

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Solution

The fourth proportional to 575,468.30, 863,328.89 and 176,139.87 is: 264,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,468.30 : 863,328.89 = 176,139.87 : x
  2. Step 2: Convert to fraction form
    575,468.30/863,328.89 = 176,139.87/x
  3. Step 3: Cross multiply
    575,468.30x = 863,328.89 × 176,139.87
  4. Step 4: Simplify right side
    575,468.30x = 152,066,638,451.84
  5. Step 5: Solve for x
    x = 152,066,638,451.84/575,468.30
  6. Step 6: Final answer
    x = 264,248.51

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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.