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Finding the Fourth Proportional to 354,985.98, 532,506.65 and 118,328.66

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Solution

The fourth proportional to 354,985.98, 532,506.65 and 118,328.66 is: 177,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985.98 : 532,506.65 = 118,328.66 : x
  2. Step 2: Convert to fraction form
    354,985.98/532,506.65 = 118,328.66/x
  3. Step 3: Cross multiply
    354,985.98x = 532,506.65 × 118,328.66
  4. Step 4: Simplify right side
    354,985.98x = 63,010,798,409.55
  5. Step 5: Solve for x
    x = 63,010,798,409.55/354,985.98
  6. Step 6: Final answer
    x = 177,502.22

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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.