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Finding the Fourth Proportional to 295,259.40, 442,889.10 and 170,454.60

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Solution

The fourth proportional to 295,259.40, 442,889.10 and 170,454.60 is: 255,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259.40 : 442,889.10 = 170,454.60 : x
  2. Step 2: Convert to fraction form
    295,259.40/442,889.10 = 170,454.60/x
  3. Step 3: Cross multiply
    295,259.40x = 442,889.10 × 170,454.60
  4. Step 4: Simplify right side
    295,259.40x = 75,492,484,384.86
  5. Step 5: Solve for x
    x = 75,492,484,384.86/295,259.40
  6. Step 6: Final answer
    x = 255,681.90

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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.