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Finding the Fourth Proportional to 295,256.40, 442,884.60 and 117,790.80

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Solution

The fourth proportional to 295,256.40, 442,884.60 and 117,790.80 is: 176,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,256.40 : 442,884.60 = 117,790.80 : x
  2. Step 2: Convert to fraction form
    295,256.40/442,884.60 = 117,790.80/x
  3. Step 3: Cross multiply
    295,256.40x = 442,884.60 × 117,790.80
  4. Step 4: Simplify right side
    295,256.40x = 52,167,731,341.68
  5. Step 5: Solve for x
    x = 52,167,731,341.68/295,256.40
  6. Step 6: Final answer
    x = 176,686.20

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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.