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Finding the Fourth Proportional to 575,780.40, 863,670.60 and 176,482.80

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Solution

The fourth proportional to 575,780.40, 863,670.60 and 176,482.80 is: 264,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,780.40 : 863,670.60 = 176,482.80 : x
  2. Step 2: Convert to fraction form
    575,780.40/863,670.60 = 176,482.80/x
  3. Step 3: Cross multiply
    575,780.40x = 863,670.60 × 176,482.80
  4. Step 4: Simplify right side
    575,780.40x = 152,423,005,765.68
  5. Step 5: Solve for x
    x = 152,423,005,765.68/575,780.40
  6. Step 6: Final answer
    x = 264,724.20

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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.