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Finding the Fourth Proportional to 607,800.40, 910,388.40 and 529,068.40

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Solution

The fourth proportional to 607,800.40, 910,388.40 and 529,068.40 is: 792,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,800.40 : 910,388.40 = 529,068.40 : x
  2. Step 2: Convert to fraction form
    607,800.40/910,388.40 = 529,068.40/x
  3. Step 3: Cross multiply
    607,800.40x = 910,388.40 × 529,068.40
  4. Step 4: Simplify right side
    607,800.40x = 481,657,734,166.56
  5. Step 5: Solve for x
    x = 481,657,734,166.56/607,800.40
  6. Step 6: Final answer
    x = 792,460.38

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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.