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Finding the Fourth Proportional to 340,336.04, 510,448.02 and 127,047.92

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Solution

The fourth proportional to 340,336.04, 510,448.02 and 127,047.92 is: 190,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,336.04 : 510,448.02 = 127,047.92 : x
  2. Step 2: Convert to fraction form
    340,336.04/510,448.02 = 127,047.92/x
  3. Step 3: Cross multiply
    340,336.04x = 510,448.02 × 127,047.92
  4. Step 4: Simplify right side
    340,336.04x = 64,851,359,209.12
  5. Step 5: Solve for x
    x = 64,851,359,209.12/340,336.04
  6. Step 6: Final answer
    x = 190,550.96

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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.