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Finding the Fourth Proportional to 315,008.24, 472,503.85 and 101,775.74

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Solution

The fourth proportional to 315,008.24, 472,503.85 and 101,775.74 is: 152,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,008.24 : 472,503.85 = 101,775.74 : x
  2. Step 2: Convert to fraction form
    315,008.24/472,503.85 = 101,775.74/x
  3. Step 3: Cross multiply
    315,008.24x = 472,503.85 × 101,775.74
  4. Step 4: Simplify right side
    315,008.24x = 48,089,426,369.64
  5. Step 5: Solve for x
    x = 48,089,426,369.64/315,008.24
  6. Step 6: Final answer
    x = 152,660.85

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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.