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Finding the Fourth Proportional to 611,323.58, 916,690.41 and 256,242.26

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Solution

The fourth proportional to 611,323.58, 916,690.41 and 256,242.26 is: 384,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,323.58 : 916,690.41 = 256,242.26 : x
  2. Step 2: Convert to fraction form
    611,323.58/916,690.41 = 256,242.26/x
  3. Step 3: Cross multiply
    611,323.58x = 916,690.41 × 256,242.26
  4. Step 4: Simplify right side
    611,323.58x = 234,894,817,795.28
  5. Step 5: Solve for x
    x = 234,894,817,795.28/611,323.58
  6. Step 6: Final answer
    x = 384,239.75

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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.