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Finding the Fourth Proportional to 519,850.44, 778,001.46 and 435,705.62

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Solution

The fourth proportional to 519,850.44, 778,001.46 and 435,705.62 is: 652,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,850.44 : 778,001.46 = 435,705.62 : x
  2. Step 2: Convert to fraction form
    519,850.44/778,001.46 = 435,705.62/x
  3. Step 3: Cross multiply
    519,850.44x = 778,001.46 × 435,705.62
  4. Step 4: Simplify right side
    519,850.44x = 338,979,602,966.30
  5. Step 5: Solve for x
    x = 338,979,602,966.30/519,850.44
  6. Step 6: Final answer
    x = 652,071.40

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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.