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Finding the Fourth Proportional to 963,095.50, 1,329,069 and 555,194.98

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Solution

The fourth proportional to 963,095.50, 1,329,069 and 555,194.98 is: 766,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,095.50 : 1,329,069 = 555,194.98 : x
  2. Step 2: Convert to fraction form
    963,095.50/1,329,069 = 555,194.98/x
  3. Step 3: Cross multiply
    963,095.50x = 1,329,069 × 555,194.98
  4. Step 4: Simplify right side
    963,095.50x = 737,892,436,873.62
  5. Step 5: Solve for x
    x = 737,892,436,873.62/963,095.50
  6. Step 6: Final answer
    x = 766,167.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.