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Finding the Fourth Proportional to 419,831.98, 629,750.80 and 153,482.92

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Solution

The fourth proportional to 419,831.98, 629,750.80 and 153,482.92 is: 230,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,831.98 : 629,750.80 = 153,482.92 : x
  2. Step 2: Convert to fraction form
    419,831.98/629,750.80 = 153,482.92/x
  3. Step 3: Cross multiply
    419,831.98x = 629,750.80 × 153,482.92
  4. Step 4: Simplify right side
    419,831.98x = 96,655,991,656.34
  5. Step 5: Solve for x
    x = 96,655,991,656.34/419,831.98
  6. Step 6: Final answer
    x = 230,225.41

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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.