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Finding the Fourth Proportional to 364,302.90, 546,053.40 and 127,523.70

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Solution

The fourth proportional to 364,302.90, 546,053.40 and 127,523.70 is: 191,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,302.90 : 546,053.40 = 127,523.70 : x
  2. Step 2: Convert to fraction form
    364,302.90/546,053.40 = 127,523.70/x
  3. Step 3: Cross multiply
    364,302.90x = 546,053.40 × 127,523.70
  4. Step 4: Simplify right side
    364,302.90x = 69,634,749,965.58
  5. Step 5: Solve for x
    x = 69,634,749,965.58/364,302.90
  6. Step 6: Final answer
    x = 191,145.20

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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.