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Finding the Fourth Proportional to 233,733.60, 350,830.80 and 115,538.40

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Solution

The fourth proportional to 233,733.60, 350,830.80 and 115,538.40 is: 173,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,733.60 : 350,830.80 = 115,538.40 : x
  2. Step 2: Convert to fraction form
    233,733.60/350,830.80 = 115,538.40/x
  3. Step 3: Cross multiply
    233,733.60x = 350,830.80 × 115,538.40
  4. Step 4: Simplify right side
    233,733.60x = 40,534,429,302.72
  5. Step 5: Solve for x
    x = 40,534,429,302.72/233,733.60
  6. Step 6: Final answer
    x = 173,421.49

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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.