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Finding the Fourth Proportional to 315,709.05, 473,750.40 and 116,169.55

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Solution

The fourth proportional to 315,709.05, 473,750.40 and 116,169.55 is: 174,323.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,709.05 : 473,750.40 = 116,169.55 : x
  2. Step 2: Convert to fraction form
    315,709.05/473,750.40 = 116,169.55/x
  3. Step 3: Cross multiply
    315,709.05x = 473,750.40 × 116,169.55
  4. Step 4: Simplify right side
    315,709.05x = 55,035,370,780.32
  5. Step 5: Solve for x
    x = 55,035,370,780.32/315,709.05
  6. Step 6: Final answer
    x = 174,323.07

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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.