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Finding the Fourth Proportional to 555,643.52, 833,465.28 and 134,916.56

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Solution

The fourth proportional to 555,643.52, 833,465.28 and 134,916.56 is: 202,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,643.52 : 833,465.28 = 134,916.56 : x
  2. Step 2: Convert to fraction form
    555,643.52/833,465.28 = 134,916.56/x
  3. Step 3: Cross multiply
    555,643.52x = 833,465.28 × 134,916.56
  4. Step 4: Simplify right side
    555,643.52x = 112,448,268,457.04
  5. Step 5: Solve for x
    x = 112,448,268,457.04/555,643.52
  6. Step 6: Final answer
    x = 202,374.84

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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.