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Finding the Fourth Proportional to 529,284.70, 793,927.05 and 520,068.70

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Solution

The fourth proportional to 529,284.70, 793,927.05 and 520,068.70 is: 780,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,284.70 : 793,927.05 = 520,068.70 : x
  2. Step 2: Convert to fraction form
    529,284.70/793,927.05 = 520,068.70/x
  3. Step 3: Cross multiply
    529,284.70x = 793,927.05 × 520,068.70
  4. Step 4: Simplify right side
    529,284.70x = 412,896,608,788.34
  5. Step 5: Solve for x
    x = 412,896,608,788.34/529,284.70
  6. Step 6: Final answer
    x = 780,103.05

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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.