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Finding the Fourth Proportional to 364,253.72, 502,987.37 and 228,521

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Solution

The fourth proportional to 364,253.72, 502,987.37 and 228,521 is: 315,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,253.72 : 502,987.37 = 228,521 : x
  2. Step 2: Convert to fraction form
    364,253.72/502,987.37 = 228,521/x
  3. Step 3: Cross multiply
    364,253.72x = 502,987.37 × 228,521
  4. Step 4: Simplify right side
    364,253.72x = 114,943,176,779.77
  5. Step 5: Solve for x
    x = 114,943,176,779.77/364,253.72
  6. Step 6: Final answer
    x = 315,558.00

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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.