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Finding the Fourth Proportional to 662,530.50, 993,795.75 and 163,894.50

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Solution

The fourth proportional to 662,530.50, 993,795.75 and 163,894.50 is: 245,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,530.50 : 993,795.75 = 163,894.50 : x
  2. Step 2: Convert to fraction form
    662,530.50/993,795.75 = 163,894.50/x
  3. Step 3: Cross multiply
    662,530.50x = 993,795.75 × 163,894.50
  4. Step 4: Simplify right side
    662,530.50x = 162,877,657,548.38
  5. Step 5: Solve for x
    x = 162,877,657,548.38/662,530.50
  6. Step 6: Final answer
    x = 245,841.75

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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.