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Finding the Fourth Proportional to 370,818.56, 556,199.90 and 118,088.84

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Solution

The fourth proportional to 370,818.56, 556,199.90 and 118,088.84 is: 177,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,818.56 : 556,199.90 = 118,088.84 : x
  2. Step 2: Convert to fraction form
    370,818.56/556,199.90 = 118,088.84/x
  3. Step 3: Cross multiply
    370,818.56x = 556,199.90 × 118,088.84
  4. Step 4: Simplify right side
    370,818.56x = 65,681,002,242.00
  5. Step 5: Solve for x
    x = 65,681,002,242.00/370,818.56
  6. Step 6: Final answer
    x = 177,124.36

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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.