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Finding the Fourth Proportional to 355,302.40, 532,953.60 and 236,588.80

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Solution

The fourth proportional to 355,302.40, 532,953.60 and 236,588.80 is: 354,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,302.40 : 532,953.60 = 236,588.80 : x
  2. Step 2: Convert to fraction form
    355,302.40/532,953.60 = 236,588.80/x
  3. Step 3: Cross multiply
    355,302.40x = 532,953.60 × 236,588.80
  4. Step 4: Simplify right side
    355,302.40x = 126,090,852,679.68
  5. Step 5: Solve for x
    x = 126,090,852,679.68/355,302.40
  6. Step 6: Final answer
    x = 354,883.20

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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.