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Finding the Fourth Proportional to 343,149.48, 473,134.50 and 295,320.60

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Solution

The fourth proportional to 343,149.48, 473,134.50 and 295,320.60 is: 407,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,149.48 : 473,134.50 = 295,320.60 : x
  2. Step 2: Convert to fraction form
    343,149.48/473,134.50 = 295,320.60/x
  3. Step 3: Cross multiply
    343,149.48x = 473,134.50 × 295,320.60
  4. Step 4: Simplify right side
    343,149.48x = 139,726,364,420.70
  5. Step 5: Solve for x
    x = 139,726,364,420.70/343,149.48
  6. Step 6: Final answer
    x = 407,188.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.