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Finding the Fourth Proportional to 573,313.86, 860,011.29 and 173,987.10

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Solution

The fourth proportional to 573,313.86, 860,011.29 and 173,987.10 is: 260,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,313.86 : 860,011.29 = 173,987.10 : x
  2. Step 2: Convert to fraction form
    573,313.86/860,011.29 = 173,987.10/x
  3. Step 3: Cross multiply
    573,313.86x = 860,011.29 × 173,987.10
  4. Step 4: Simplify right side
    573,313.86x = 149,630,870,314.36
  5. Step 5: Solve for x
    x = 149,630,870,314.36/573,313.86
  6. Step 6: Final answer
    x = 260,992.94

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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.