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Finding the Fourth Proportional to 478,897.64, 660,883.02 and 264,045.41

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Solution

The fourth proportional to 478,897.64, 660,883.02 and 264,045.41 is: 364,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,897.64 : 660,883.02 = 264,045.41 : x
  2. Step 2: Convert to fraction form
    478,897.64/660,883.02 = 264,045.41/x
  3. Step 3: Cross multiply
    478,897.64x = 660,883.02 × 264,045.41
  4. Step 4: Simplify right side
    478,897.64x = 174,503,127,977.94
  5. Step 5: Solve for x
    x = 174,503,127,977.94/478,897.64
  6. Step 6: Final answer
    x = 364,385.02

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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.