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Finding the Fourth Proportional to 437,089.77, 603,260.87 and 417,144.33

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Solution

The fourth proportional to 437,089.77, 603,260.87 and 417,144.33 is: 575,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,089.77 : 603,260.87 = 417,144.33 : x
  2. Step 2: Convert to fraction form
    437,089.77/603,260.87 = 417,144.33/x
  3. Step 3: Cross multiply
    437,089.77x = 603,260.87 × 417,144.33
  4. Step 4: Simplify right side
    437,089.77x = 251,646,849,345.65
  5. Step 5: Solve for x
    x = 251,646,849,345.65/437,089.77
  6. Step 6: Final answer
    x = 575,732.64

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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.