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Finding the Fourth Proportional to 354,876.20, 532,362.90 and 118,194.20

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Solution

The fourth proportional to 354,876.20, 532,362.90 and 118,194.20 is: 177,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,876.20 : 532,362.90 = 118,194.20 : x
  2. Step 2: Convert to fraction form
    354,876.20/532,362.90 = 118,194.20/x
  3. Step 3: Cross multiply
    354,876.20x = 532,362.90 × 118,194.20
  4. Step 4: Simplify right side
    354,876.20x = 62,922,207,075.18
  5. Step 5: Solve for x
    x = 62,922,207,075.18/354,876.20
  6. Step 6: Final answer
    x = 177,307.49

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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.