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Finding the Fourth Proportional to 456,417.59, 629,807.80 and 252,436.10

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Solution

The fourth proportional to 456,417.59, 629,807.80 and 252,436.10 is: 348,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,417.59 : 629,807.80 = 252,436.10 : x
  2. Step 2: Convert to fraction form
    456,417.59/629,807.80 = 252,436.10/x
  3. Step 3: Cross multiply
    456,417.59x = 629,807.80 × 252,436.10
  4. Step 4: Simplify right side
    456,417.59x = 158,986,224,781.58
  5. Step 5: Solve for x
    x = 158,986,224,781.58/456,417.59
  6. Step 6: Final answer
    x = 348,335.01

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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.