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Finding the Fourth Proportional to 437,670.90, 604,159.79 and 376,173.63

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Solution

The fourth proportional to 437,670.90, 604,159.79 and 376,173.63 is: 519,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,670.90 : 604,159.79 = 376,173.63 : x
  2. Step 2: Convert to fraction form
    437,670.90/604,159.79 = 376,173.63/x
  3. Step 3: Cross multiply
    437,670.90x = 604,159.79 × 376,173.63
  4. Step 4: Simplify right side
    437,670.90x = 227,268,979,423.47
  5. Step 5: Solve for x
    x = 227,268,979,423.47/437,670.90
  6. Step 6: Final answer
    x = 519,269.11

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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.