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Finding the Fourth Proportional to 476,448.76, 657,500.60 and 261,602.74

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Solution

The fourth proportional to 476,448.76, 657,500.60 and 261,602.74 is: 361,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,448.76 : 657,500.60 = 261,602.74 : x
  2. Step 2: Convert to fraction form
    476,448.76/657,500.60 = 261,602.74/x
  3. Step 3: Cross multiply
    476,448.76x = 657,500.60 × 261,602.74
  4. Step 4: Simplify right side
    476,448.76x = 172,003,958,511.64
  5. Step 5: Solve for x
    x = 172,003,958,511.64/476,448.76
  6. Step 6: Final answer
    x = 361,012.50

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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.