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Finding the Fourth Proportional to 536,552.34, 740,483.42 and 307,181.57

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Solution

The fourth proportional to 536,552.34, 740,483.42 and 307,181.57 is: 423,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,552.34 : 740,483.42 = 307,181.57 : x
  2. Step 2: Convert to fraction form
    536,552.34/740,483.42 = 307,181.57/x
  3. Step 3: Cross multiply
    536,552.34x = 740,483.42 × 307,181.57
  4. Step 4: Simplify right side
    536,552.34x = 227,462,859,514.57
  5. Step 5: Solve for x
    x = 227,462,859,514.57/536,552.34
  6. Step 6: Final answer
    x = 423,934.15

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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.