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Finding the Fourth Proportional to 448,172, 618,490.56 and 246,980.96

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Solution

The fourth proportional to 448,172, 618,490.56 and 246,980.96 is: 340,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,172 : 618,490.56 = 246,980.96 : x
  2. Step 2: Convert to fraction form
    448,172/618,490.56 = 246,980.96/x
  3. Step 3: Cross multiply
    448,172x = 618,490.56 × 246,980.96
  4. Step 4: Simplify right side
    448,172x = 152,755,392,259.74
  5. Step 5: Solve for x
    x = 152,755,392,259.74/448,172
  6. Step 6: Final answer
    x = 340,841.00

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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.