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Finding the Fourth Proportional to 573,909.80, 860,864.70 and 174,547.40

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Solution

The fourth proportional to 573,909.80, 860,864.70 and 174,547.40 is: 261,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,909.80 : 860,864.70 = 174,547.40 : x
  2. Step 2: Convert to fraction form
    573,909.80/860,864.70 = 174,547.40/x
  3. Step 3: Cross multiply
    573,909.80x = 860,864.70 × 174,547.40
  4. Step 4: Simplify right side
    573,909.80x = 150,261,695,136.78
  5. Step 5: Solve for x
    x = 150,261,695,136.78/573,909.80
  6. Step 6: Final answer
    x = 261,821.10

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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.