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Finding the Fourth Proportional to 707,446.36, 976,360.62 and 417,123.64

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Solution

The fourth proportional to 707,446.36, 976,360.62 and 417,123.64 is: 575,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,446.36 : 976,360.62 = 417,123.64 : x
  2. Step 2: Convert to fraction form
    707,446.36/976,360.62 = 417,123.64/x
  3. Step 3: Cross multiply
    707,446.36x = 976,360.62 × 417,123.64
  4. Step 4: Simplify right side
    707,446.36x = 407,263,095,767.06
  5. Step 5: Solve for x
    x = 407,263,095,767.06/707,446.36
  6. Step 6: Final answer
    x = 575,680.53

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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.