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Finding the Fourth Proportional to 504,898.43, 696,991.77 and 435,712.68

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Solution

The fourth proportional to 504,898.43, 696,991.77 and 435,712.68 is: 601,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,898.43 : 696,991.77 = 435,712.68 : x
  2. Step 2: Convert to fraction form
    504,898.43/696,991.77 = 435,712.68/x
  3. Step 3: Cross multiply
    504,898.43x = 696,991.77 × 435,712.68
  4. Step 4: Simplify right side
    504,898.43x = 303,688,152,044.64
  5. Step 5: Solve for x
    x = 303,688,152,044.64/504,898.43
  6. Step 6: Final answer
    x = 601,483.66

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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.