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Finding the Fourth Proportional to 573,783.40, 860,675.10 and 441,332.20

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Solution

The fourth proportional to 573,783.40, 860,675.10 and 441,332.20 is: 661,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,783.40 : 860,675.10 = 441,332.20 : x
  2. Step 2: Convert to fraction form
    573,783.40/860,675.10 = 441,332.20/x
  3. Step 3: Cross multiply
    573,783.40x = 860,675.10 × 441,332.20
  4. Step 4: Simplify right side
    573,783.40x = 379,843,635,368.22
  5. Step 5: Solve for x
    x = 379,843,635,368.22/573,783.40
  6. Step 6: Final answer
    x = 661,998.30

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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.