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Finding the Fourth Proportional to 579,419.52, 800,695.68 and 435,930.24

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Solution

The fourth proportional to 579,419.52, 800,695.68 and 435,930.24 is: 602,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,419.52 : 800,695.68 = 435,930.24 : x
  2. Step 2: Convert to fraction form
    579,419.52/800,695.68 = 435,930.24/x
  3. Step 3: Cross multiply
    579,419.52x = 800,695.68 × 435,930.24
  4. Step 4: Simplify right side
    579,419.52x = 349,047,459,949.36
  5. Step 5: Solve for x
    x = 349,047,459,949.36/579,419.52
  6. Step 6: Final answer
    x = 602,408.87

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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.