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Finding the Fourth Proportional to 615,136.44, 922,999.50 and 334,653.24

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Solution

The fourth proportional to 615,136.44, 922,999.50 and 334,653.24 is: 502,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,136.44 : 922,999.50 = 334,653.24 : x
  2. Step 2: Convert to fraction form
    615,136.44/922,999.50 = 334,653.24/x
  3. Step 3: Cross multiply
    615,136.44x = 922,999.50 × 334,653.24
  4. Step 4: Simplify right side
    615,136.44x = 308,884,773,193.38
  5. Step 5: Solve for x
    x = 308,884,773,193.38/615,136.44
  6. Step 6: Final answer
    x = 502,140.26

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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.