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Finding the Fourth Proportional to 531,574.80, 797,515.80 and 157,606.80

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Solution

The fourth proportional to 531,574.80, 797,515.80 and 157,606.80 is: 236,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,574.80 : 797,515.80 = 157,606.80 : x
  2. Step 2: Convert to fraction form
    531,574.80/797,515.80 = 157,606.80/x
  3. Step 3: Cross multiply
    531,574.80x = 797,515.80 × 157,606.80
  4. Step 4: Simplify right side
    531,574.80x = 125,693,913,187.44
  5. Step 5: Solve for x
    x = 125,693,913,187.44/531,574.80
  6. Step 6: Final answer
    x = 236,455.74

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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.