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Finding the Fourth Proportional to 447,025.68, 616,029.16 and 370,655.60

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Solution

The fourth proportional to 447,025.68, 616,029.16 and 370,655.60 is: 510,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,025.68 : 616,029.16 = 370,655.60 : x
  2. Step 2: Convert to fraction form
    447,025.68/616,029.16 = 370,655.60/x
  3. Step 3: Cross multiply
    447,025.68x = 616,029.16 × 370,655.60
  4. Step 4: Simplify right side
    447,025.68x = 228,334,657,917.30
  5. Step 5: Solve for x
    x = 228,334,657,917.30/447,025.68
  6. Step 6: Final answer
    x = 510,786.45

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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.