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Finding the Fourth Proportional to 371,258.46, 556,798.40 and 171,386.94

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Solution

The fourth proportional to 371,258.46, 556,798.40 and 171,386.94 is: 257,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,258.46 : 556,798.40 = 171,386.94 : x
  2. Step 2: Convert to fraction form
    371,258.46/556,798.40 = 171,386.94/x
  3. Step 3: Cross multiply
    371,258.46x = 556,798.40 × 171,386.94
  4. Step 4: Simplify right side
    371,258.46x = 95,427,973,972.90
  5. Step 5: Solve for x
    x = 95,427,973,972.90/371,258.46
  6. Step 6: Final answer
    x = 257,039.19

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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.