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Finding the Fourth Proportional to 370,880.76, 556,315.38 and 149,259

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Solution

The fourth proportional to 370,880.76, 556,315.38 and 149,259 is: 223,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,880.76 : 556,315.38 = 149,259 : x
  2. Step 2: Convert to fraction form
    370,880.76/556,315.38 = 149,259/x
  3. Step 3: Cross multiply
    370,880.76x = 556,315.38 × 149,259
  4. Step 4: Simplify right side
    370,880.76x = 83,035,077,303.42
  5. Step 5: Solve for x
    x = 83,035,077,303.42/370,880.76
  6. Step 6: Final answer
    x = 223,886.18

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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.