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Finding the Fourth Proportional to 292,994.80, 439,434.60 and 96,002.80

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Solution

The fourth proportional to 292,994.80, 439,434.60 and 96,002.80 is: 143,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,994.80 : 439,434.60 = 96,002.80 : x
  2. Step 2: Convert to fraction form
    292,994.80/439,434.60 = 96,002.80/x
  3. Step 3: Cross multiply
    292,994.80x = 439,434.60 × 96,002.80
  4. Step 4: Simplify right side
    292,994.80x = 42,186,952,016.88
  5. Step 5: Solve for x
    x = 42,186,952,016.88/292,994.80
  6. Step 6: Final answer
    x = 143,985.33

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1.5x scale

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.