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Finding the Fourth Proportional to 448,052.50, 618,312.45 and 246,852.82

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Solution

The fourth proportional to 448,052.50, 618,312.45 and 246,852.82 is: 340,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,052.50 : 618,312.45 = 246,852.82 : x
  2. Step 2: Convert to fraction form
    448,052.50/618,312.45 = 246,852.82/x
  3. Step 3: Cross multiply
    448,052.50x = 618,312.45 × 246,852.82
  4. Step 4: Simplify right side
    448,052.50x = 152,632,171,923.61
  5. Step 5: Solve for x
    x = 152,632,171,923.61/448,052.50
  6. Step 6: Final answer
    x = 340,656.89

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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.