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Finding the Fourth Proportional to 541,222.32, 811,816.68 and 257,117.32

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Solution

The fourth proportional to 541,222.32, 811,816.68 and 257,117.32 is: 385,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,222.32 : 811,816.68 = 257,117.32 : x
  2. Step 2: Convert to fraction form
    541,222.32/811,816.68 = 257,117.32/x
  3. Step 3: Cross multiply
    541,222.32x = 811,816.68 × 257,117.32
  4. Step 4: Simplify right side
    541,222.32x = 208,732,129,092.90
  5. Step 5: Solve for x
    x = 208,732,129,092.90/541,222.32
  6. Step 6: Final answer
    x = 385,668.00

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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.