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Finding the Fourth Proportional to 452,964, 625,129.20 and 251,798.88

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Solution

The fourth proportional to 452,964, 625,129.20 and 251,798.88 is: 347,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,964 : 625,129.20 = 251,798.88 : x
  2. Step 2: Convert to fraction form
    452,964/625,129.20 = 251,798.88/x
  3. Step 3: Cross multiply
    452,964x = 625,129.20 × 251,798.88
  4. Step 4: Simplify right side
    452,964x = 157,406,832,415.30
  5. Step 5: Solve for x
    x = 157,406,832,415.30/452,964
  6. Step 6: Final answer
    x = 347,504.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.