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Finding the Fourth Proportional to 316,168.48, 436,326.48 and 182,075.68

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Solution

The fourth proportional to 316,168.48, 436,326.48 and 182,075.68 is: 251,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,168.48 : 436,326.48 = 182,075.68 : x
  2. Step 2: Convert to fraction form
    316,168.48/436,326.48 = 182,075.68/x
  3. Step 3: Cross multiply
    316,168.48x = 436,326.48 × 182,075.68
  4. Step 4: Simplify right side
    316,168.48x = 79,444,440,548.01
  5. Step 5: Solve for x
    x = 79,444,440,548.01/316,168.48
  6. Step 6: Final answer
    x = 251,272.49

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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.