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Finding the Fourth Proportional to 476,448.53, 657,500.24 and 261,602.51

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Solution

The fourth proportional to 476,448.53, 657,500.24 and 261,602.51 is: 361,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,448.53 : 657,500.24 = 261,602.51 : x
  2. Step 2: Convert to fraction form
    476,448.53/657,500.24 = 261,602.51/x
  3. Step 3: Cross multiply
    476,448.53x = 657,500.24 × 261,602.51
  4. Step 4: Simplify right side
    476,448.53x = 172,003,710,476.11
  5. Step 5: Solve for x
    x = 172,003,710,476.11/476,448.53
  6. Step 6: Final answer
    x = 361,012.16

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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.