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Finding the Fourth Proportional to 575,805.60, 863,773.20 and 176,443.20

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Solution

The fourth proportional to 575,805.60, 863,773.20 and 176,443.20 is: 264,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,805.60 : 863,773.20 = 176,443.20 : x
  2. Step 2: Convert to fraction form
    575,805.60/863,773.20 = 176,443.20/x
  3. Step 3: Cross multiply
    575,805.60x = 863,773.20 × 176,443.20
  4. Step 4: Simplify right side
    575,805.60x = 152,406,907,482.24
  5. Step 5: Solve for x
    x = 152,406,907,482.24/575,805.60
  6. Step 6: Final answer
    x = 264,684.66

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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.