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Finding the Fourth Proportional to 617,357.33, 926,502.56 and 262,621.07

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Solution

The fourth proportional to 617,357.33, 926,502.56 and 262,621.07 is: 394,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,357.33 : 926,502.56 = 262,621.07 : x
  2. Step 2: Convert to fraction form
    617,357.33/926,502.56 = 262,621.07/x
  3. Step 3: Cross multiply
    617,357.33x = 926,502.56 × 262,621.07
  4. Step 4: Simplify right side
    617,357.33x = 243,319,087,719.32
  5. Step 5: Solve for x
    x = 243,319,087,719.32/617,357.33
  6. Step 6: Final answer
    x = 394,130.07

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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.