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Finding the Fourth Proportional to 417,349.36, 575,970.72 and 236,061.44

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Solution

The fourth proportional to 417,349.36, 575,970.72 and 236,061.44 is: 325,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,349.36 : 575,970.72 = 236,061.44 : x
  2. Step 2: Convert to fraction form
    417,349.36/575,970.72 = 236,061.44/x
  3. Step 3: Cross multiply
    417,349.36x = 575,970.72 × 236,061.44
  4. Step 4: Simplify right side
    417,349.36x = 135,964,477,561.04
  5. Step 5: Solve for x
    x = 135,964,477,561.04/417,349.36
  6. Step 6: Final answer
    x = 325,780.97

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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.