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Finding the Fourth Proportional to 563,307.96, 777,365.37 and 333,978.38

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Solution

The fourth proportional to 563,307.96, 777,365.37 and 333,978.38 is: 460,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,307.96 : 777,365.37 = 333,978.38 : x
  2. Step 2: Convert to fraction form
    563,307.96/777,365.37 = 333,978.38/x
  3. Step 3: Cross multiply
    563,307.96x = 777,365.37 × 333,978.38
  4. Step 4: Simplify right side
    563,307.96x = 259,623,226,940.70
  5. Step 5: Solve for x
    x = 259,623,226,940.70/563,307.96
  6. Step 6: Final answer
    x = 460,890.39

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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.