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Finding the Fourth Proportional to 370,971.34, 556,512.57 and 134,369.26

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Solution

The fourth proportional to 370,971.34, 556,512.57 and 134,369.26 is: 201,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,971.34 : 556,512.57 = 134,369.26 : x
  2. Step 2: Convert to fraction form
    370,971.34/556,512.57 = 134,369.26/x
  3. Step 3: Cross multiply
    370,971.34x = 556,512.57 × 134,369.26
  4. Step 4: Simplify right side
    370,971.34x = 74,778,182,211.60
  5. Step 5: Solve for x
    x = 74,778,182,211.60/370,971.34
  6. Step 6: Final answer
    x = 201,574.01

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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.