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Finding the Fourth Proportional to 347,175.85, 520,657.16 and 122,483.74

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Solution

The fourth proportional to 347,175.85, 520,657.16 and 122,483.74 is: 183,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,175.85 : 520,657.16 = 122,483.74 : x
  2. Step 2: Convert to fraction form
    347,175.85/520,657.16 = 122,483.74/x
  3. Step 3: Cross multiply
    347,175.85x = 520,657.16 × 122,483.74
  4. Step 4: Simplify right side
    347,175.85x = 63,772,036,214.58
  5. Step 5: Solve for x
    x = 63,772,036,214.58/347,175.85
  6. Step 6: Final answer
    x = 183,688.00

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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.