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Finding the Fourth Proportional to 295,459.80, 442,901.70 and 168,970.20

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Solution

The fourth proportional to 295,459.80, 442,901.70 and 168,970.20 is: 253,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,459.80 : 442,901.70 = 168,970.20 : x
  2. Step 2: Convert to fraction form
    295,459.80/442,901.70 = 168,970.20/x
  3. Step 3: Cross multiply
    295,459.80x = 442,901.70 × 168,970.20
  4. Step 4: Simplify right side
    295,459.80x = 74,837,188,829.34
  5. Step 5: Solve for x
    x = 74,837,188,829.34/295,459.80
  6. Step 6: Final answer
    x = 253,290.60

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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.