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Finding the Fourth Proportional to 434,415.30, 651,104.55 and 181,695.30

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Solution

The fourth proportional to 434,415.30, 651,104.55 and 181,695.30 is: 272,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,415.30 : 651,104.55 = 181,695.30 : x
  2. Step 2: Convert to fraction form
    434,415.30/651,104.55 = 181,695.30/x
  3. Step 3: Cross multiply
    434,415.30x = 651,104.55 × 181,695.30
  4. Step 4: Simplify right side
    434,415.30x = 118,302,636,543.62
  5. Step 5: Solve for x
    x = 118,302,636,543.62/434,415.30
  6. Step 6: Final answer
    x = 272,326.13

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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.