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Finding the Fourth Proportional to 575,853.40, 863,780.10 and 176,555.80

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Solution

The fourth proportional to 575,853.40, 863,780.10 and 176,555.80 is: 264,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,853.40 : 863,780.10 = 176,555.80 : x
  2. Step 2: Convert to fraction form
    575,853.40/863,780.10 = 176,555.80/x
  3. Step 3: Cross multiply
    575,853.40x = 863,780.10 × 176,555.80
  4. Step 4: Simplify right side
    575,853.40x = 152,505,386,579.58
  5. Step 5: Solve for x
    x = 152,505,386,579.58/575,853.40
  6. Step 6: Final answer
    x = 264,833.70

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Similar ratio
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1.5x scale

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.