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Finding the Fourth Proportional to 502,113.52, 692,917.10 and 275,759.02

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Solution

The fourth proportional to 502,113.52, 692,917.10 and 275,759.02 is: 380,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,113.52 : 692,917.10 = 275,759.02 : x
  2. Step 2: Convert to fraction form
    502,113.52/692,917.10 = 275,759.02/x
  3. Step 3: Cross multiply
    502,113.52x = 692,917.10 × 275,759.02
  4. Step 4: Simplify right side
    502,113.52x = 191,078,140,437.24
  5. Step 5: Solve for x
    x = 191,078,140,437.24/502,113.52
  6. Step 6: Final answer
    x = 380,547.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.