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Finding the Fourth Proportional to 342,888.72, 514,366.91 and 118,219.58

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Solution

The fourth proportional to 342,888.72, 514,366.91 and 118,219.58 is: 177,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,888.72 : 514,366.91 = 118,219.58 : x
  2. Step 2: Convert to fraction form
    342,888.72/514,366.91 = 118,219.58/x
  3. Step 3: Cross multiply
    342,888.72x = 514,366.91 × 118,219.58
  4. Step 4: Simplify right side
    342,888.72x = 60,808,237,828.71
  5. Step 5: Solve for x
    x = 60,808,237,828.71/342,888.72
  6. Step 6: Final answer
    x = 177,341.03

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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.