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Finding the Fourth Proportional to 370,802.80, 556,171.80 and 121,484.80

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Solution

The fourth proportional to 370,802.80, 556,171.80 and 121,484.80 is: 182,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,802.80 : 556,171.80 = 121,484.80 : x
  2. Step 2: Convert to fraction form
    370,802.80/556,171.80 = 121,484.80/x
  3. Step 3: Cross multiply
    370,802.80x = 556,171.80 × 121,484.80
  4. Step 4: Simplify right side
    370,802.80x = 67,566,419,888.64
  5. Step 5: Solve for x
    x = 67,566,419,888.64/370,802.80
  6. Step 6: Final answer
    x = 182,216.58

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1.5x scale

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.