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Finding the Fourth Proportional to 575,547.42, 863,173.87 and 170,644.95

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Solution

The fourth proportional to 575,547.42, 863,173.87 and 170,644.95 is: 255,923.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,547.42 : 863,173.87 = 170,644.95 : x
  2. Step 2: Convert to fraction form
    575,547.42/863,173.87 = 170,644.95/x
  3. Step 3: Cross multiply
    575,547.42x = 863,173.87 × 170,644.95
  4. Step 4: Simplify right side
    575,547.42x = 147,296,261,460.84
  5. Step 5: Solve for x
    x = 147,296,261,460.84/575,547.42
  6. Step 6: Final answer
    x = 255,923.76

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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.