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Finding the Fourth Proportional to 573,910.05, 860,865.08 and 174,547.65

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Solution

The fourth proportional to 573,910.05, 860,865.08 and 174,547.65 is: 261,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,910.05 : 860,865.08 = 174,547.65 : x
  2. Step 2: Convert to fraction form
    573,910.05/860,865.08 = 174,547.65/x
  3. Step 3: Cross multiply
    573,910.05x = 860,865.08 × 174,547.65
  4. Step 4: Simplify right side
    573,910.05x = 150,261,975,808.32
  5. Step 5: Solve for x
    x = 150,261,975,808.32/573,910.05
  6. Step 6: Final answer
    x = 261,821.48

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Double scale
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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.