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Finding the Fourth Proportional to 353,153.63, 526,403.62 and 324,810.11

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Solution

The fourth proportional to 353,153.63, 526,403.62 and 324,810.11 is: 484,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,153.63 : 526,403.62 = 324,810.11 : x
  2. Step 2: Convert to fraction form
    353,153.63/526,403.62 = 324,810.11/x
  3. Step 3: Cross multiply
    353,153.63x = 526,403.62 × 324,810.11
  4. Step 4: Simplify right side
    353,153.63x = 170,981,219,438.62
  5. Step 5: Solve for x
    x = 170,981,219,438.62/353,153.63
  6. Step 6: Final answer
    x = 484,155.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.