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Finding the Fourth Proportional to 570,099.48, 855,397.32 and 357,354.96

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Solution

The fourth proportional to 570,099.48, 855,397.32 and 357,354.96 is: 536,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,099.48 : 855,397.32 = 357,354.96 : x
  2. Step 2: Convert to fraction form
    570,099.48/855,397.32 = 357,354.96/x
  3. Step 3: Cross multiply
    570,099.48x = 855,397.32 × 357,354.96
  4. Step 4: Simplify right side
    570,099.48x = 305,680,475,072.71
  5. Step 5: Solve for x
    x = 305,680,475,072.71/570,099.48
  6. Step 6: Final answer
    x = 536,187.96

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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.