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Finding the Fourth Proportional to 478,848.03, 717,830.92 and 163,085.32

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Solution

The fourth proportional to 478,848.03, 717,830.92 and 163,085.32 is: 244,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,848.03 : 717,830.92 = 163,085.32 : x
  2. Step 2: Convert to fraction form
    478,848.03/717,830.92 = 163,085.32/x
  3. Step 3: Cross multiply
    478,848.03x = 717,830.92 × 163,085.32
  4. Step 4: Simplify right side
    478,848.03x = 117,067,685,294.09
  5. Step 5: Solve for x
    x = 117,067,685,294.09/478,848.03
  6. Step 6: Final answer
    x = 244,477.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.