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Finding the Fourth Proportional to 403,602.64, 604,988.53 and 179,068.82

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Solution

The fourth proportional to 403,602.64, 604,988.53 and 179,068.82 is: 268,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,602.64 : 604,988.53 = 179,068.82 : x
  2. Step 2: Convert to fraction form
    403,602.64/604,988.53 = 179,068.82/x
  3. Step 3: Cross multiply
    403,602.64x = 604,988.53 × 179,068.82
  4. Step 4: Simplify right side
    403,602.64x = 108,334,578,708.02
  5. Step 5: Solve for x
    x = 108,334,578,708.02/403,602.64
  6. Step 6: Final answer
    x = 268,418.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.