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Finding the Fourth Proportional to 573,423.40, 860,135.10 and 471,946.60

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Solution

The fourth proportional to 573,423.40, 860,135.10 and 471,946.60 is: 707,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,423.40 : 860,135.10 = 471,946.60 : x
  2. Step 2: Convert to fraction form
    573,423.40/860,135.10 = 471,946.60/x
  3. Step 3: Cross multiply
    573,423.40x = 860,135.10 × 471,946.60
  4. Step 4: Simplify right side
    573,423.40x = 405,937,835,985.66
  5. Step 5: Solve for x
    x = 405,937,835,985.66/573,423.40
  6. Step 6: Final answer
    x = 707,919.90

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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.