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Finding the Fourth Proportional to 502,071.91, 692,856.69 and 272,627.19

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Solution

The fourth proportional to 502,071.91, 692,856.69 and 272,627.19 is: 376,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,071.91 : 692,856.69 = 272,627.19 : x
  2. Step 2: Convert to fraction form
    502,071.91/692,856.69 = 272,627.19/x
  3. Step 3: Cross multiply
    502,071.91x = 692,856.69 × 272,627.19
  4. Step 4: Simplify right side
    502,071.91x = 188,891,569,352.94
  5. Step 5: Solve for x
    x = 188,891,569,352.94/502,071.91
  6. Step 6: Final answer
    x = 376,224.14

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1.5x scale

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.