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Finding the Fourth Proportional to 341,726.40, 512,597.70 and 105,071.22

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Solution

The fourth proportional to 341,726.40, 512,597.70 and 105,071.22 is: 157,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,726.40 : 512,597.70 = 105,071.22 : x
  2. Step 2: Convert to fraction form
    341,726.40/512,597.70 = 105,071.22/x
  3. Step 3: Cross multiply
    341,726.40x = 512,597.70 × 105,071.22
  4. Step 4: Simplify right side
    341,726.40x = 53,859,265,708.19
  5. Step 5: Solve for x
    x = 53,859,265,708.19/341,726.40
  6. Step 6: Final answer
    x = 157,609.32

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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.