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Finding the Fourth Proportional to 364,005.84, 545,663.16 and 127,194.24

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Solution

The fourth proportional to 364,005.84, 545,663.16 and 127,194.24 is: 190,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,005.84 : 545,663.16 = 127,194.24 : x
  2. Step 2: Convert to fraction form
    364,005.84/545,663.16 = 127,194.24/x
  3. Step 3: Cross multiply
    364,005.84x = 545,663.16 × 127,194.24
  4. Step 4: Simplify right side
    364,005.84x = 69,405,210,932.20
  5. Step 5: Solve for x
    x = 69,405,210,932.20/364,005.84
  6. Step 6: Final answer
    x = 190,670.60

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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.