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Finding the Fourth Proportional to 504,159.48, 695,712.60 and 313,169.40

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Solution

The fourth proportional to 504,159.48, 695,712.60 and 313,169.40 is: 432,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,159.48 : 695,712.60 = 313,169.40 : x
  2. Step 2: Convert to fraction form
    504,159.48/695,712.60 = 313,169.40/x
  3. Step 3: Cross multiply
    504,159.48x = 695,712.60 × 313,169.40
  4. Step 4: Simplify right side
    504,159.48x = 217,875,897,514.44
  5. Step 5: Solve for x
    x = 217,875,897,514.44/504,159.48
  6. Step 6: Final answer
    x = 432,156.70

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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.