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Finding the Fourth Proportional to 575,506.32, 863,154.96 and 154,683.76

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Solution

The fourth proportional to 575,506.32, 863,154.96 and 154,683.76 is: 231,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,506.32 : 863,154.96 = 154,683.76 : x
  2. Step 2: Convert to fraction form
    575,506.32/863,154.96 = 154,683.76/x
  3. Step 3: Cross multiply
    575,506.32x = 863,154.96 × 154,683.76
  4. Step 4: Simplify right side
    575,506.32x = 133,516,054,675.45
  5. Step 5: Solve for x
    x = 133,516,054,675.45/575,506.32
  6. Step 6: Final answer
    x = 231,997.55

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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.