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Finding the Fourth Proportional to 370,646.64, 556,039.58 and 168,256.96

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Solution

The fourth proportional to 370,646.64, 556,039.58 and 168,256.96 is: 252,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,646.64 : 556,039.58 = 168,256.96 : x
  2. Step 2: Convert to fraction form
    370,646.64/556,039.58 = 168,256.96/x
  3. Step 3: Cross multiply
    370,646.64x = 556,039.58 × 168,256.96
  4. Step 4: Simplify right side
    370,646.64x = 93,557,527,139.09
  5. Step 5: Solve for x
    x = 93,557,527,139.09/370,646.64
  6. Step 6: Final answer
    x = 252,417.04

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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.