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Finding the Fourth Proportional to 469,897.58, 648,459.24 and 255,037.64

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Solution

The fourth proportional to 469,897.58, 648,459.24 and 255,037.64 is: 351,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,897.58 : 648,459.24 = 255,037.64 : x
  2. Step 2: Convert to fraction form
    469,897.58/648,459.24 = 255,037.64/x
  3. Step 3: Cross multiply
    469,897.58x = 648,459.24 × 255,037.64
  4. Step 4: Simplify right side
    469,897.58x = 165,381,514,205.79
  5. Step 5: Solve for x
    x = 165,381,514,205.79/469,897.58
  6. Step 6: Final answer
    x = 351,952.26

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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.