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Finding the Fourth Proportional to 371,157.76, 556,464 and 118,292.74

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Solution

The fourth proportional to 371,157.76, 556,464 and 118,292.74 is: 177,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,157.76 : 556,464 = 118,292.74 : x
  2. Step 2: Convert to fraction form
    371,157.76/556,464 = 118,292.74/x
  3. Step 3: Cross multiply
    371,157.76x = 556,464 × 118,292.74
  4. Step 4: Simplify right side
    371,157.76x = 65,825,651,271.36
  5. Step 5: Solve for x
    x = 65,825,651,271.36/371,157.76
  6. Step 6: Final answer
    x = 177,352.22

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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.