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Finding the Fourth Proportional to 342,888.15, 514,366.08 and 118,219.05

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Solution

The fourth proportional to 342,888.15, 514,366.08 and 118,219.05 is: 177,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,888.15 : 514,366.08 = 118,219.05 : x
  2. Step 2: Convert to fraction form
    342,888.15/514,366.08 = 118,219.05/x
  3. Step 3: Cross multiply
    342,888.15x = 514,366.08 × 118,219.05
  4. Step 4: Simplify right side
    342,888.15x = 60,807,869,329.82
  5. Step 5: Solve for x
    x = 60,807,869,329.82/342,888.15
  6. Step 6: Final answer
    x = 177,340.25

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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.