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Finding the Fourth Proportional to 583,774.72, 874,394.88 and 358,451.20

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Solution

The fourth proportional to 583,774.72, 874,394.88 and 358,451.20 is: 536,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,774.72 : 874,394.88 = 358,451.20 : x
  2. Step 2: Convert to fraction form
    583,774.72/874,394.88 = 358,451.20/x
  3. Step 3: Cross multiply
    583,774.72x = 874,394.88 × 358,451.20
  4. Step 4: Simplify right side
    583,774.72x = 313,427,894,009.86
  5. Step 5: Solve for x
    x = 313,427,894,009.86/583,774.72
  6. Step 6: Final answer
    x = 536,898.71

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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.