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Finding the Fourth Proportional to 370,980.42, 556,558.35 and 295,364.88

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Solution

The fourth proportional to 370,980.42, 556,558.35 and 295,364.88 is: 443,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,980.42 : 556,558.35 = 295,364.88 : x
  2. Step 2: Convert to fraction form
    370,980.42/556,558.35 = 295,364.88/x
  3. Step 3: Cross multiply
    370,980.42x = 556,558.35 × 295,364.88
  4. Step 4: Simplify right side
    370,980.42x = 164,387,790,260.75
  5. Step 5: Solve for x
    x = 164,387,790,260.75/370,980.42
  6. Step 6: Final answer
    x = 443,117.16

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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.