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Finding the Fourth Proportional to 369,505.32, 554,259.60 and 103,266.42

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Solution

The fourth proportional to 369,505.32, 554,259.60 and 103,266.42 is: 154,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,505.32 : 554,259.60 = 103,266.42 : x
  2. Step 2: Convert to fraction form
    369,505.32/554,259.60 = 103,266.42/x
  3. Step 3: Cross multiply
    369,505.32x = 554,259.60 × 103,266.42
  4. Step 4: Simplify right side
    369,505.32x = 57,236,404,642.63
  5. Step 5: Solve for x
    x = 57,236,404,642.63/369,505.32
  6. Step 6: Final answer
    x = 154,900.08

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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.