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Finding the Fourth Proportional to 357,653.61, 536,361.95 and 144,366.44

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Solution

The fourth proportional to 357,653.61, 536,361.95 and 144,366.44 is: 216,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,653.61 : 536,361.95 = 144,366.44 : x
  2. Step 2: Convert to fraction form
    357,653.61/536,361.95 = 144,366.44/x
  3. Step 3: Cross multiply
    357,653.61x = 536,361.95 × 144,366.44
  4. Step 4: Simplify right side
    357,653.61x = 77,432,662,952.06
  5. Step 5: Solve for x
    x = 77,432,662,952.06/357,653.61
  6. Step 6: Final answer
    x = 216,501.84

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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.