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Finding the Fourth Proportional to 586,186.56, 808,680.60 and 344,360.07

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Solution

The fourth proportional to 586,186.56, 808,680.60 and 344,360.07 is: 475,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,186.56 : 808,680.60 = 344,360.07 : x
  2. Step 2: Convert to fraction form
    586,186.56/808,680.60 = 344,360.07/x
  3. Step 3: Cross multiply
    586,186.56x = 808,680.60 × 344,360.07
  4. Step 4: Simplify right side
    586,186.56x = 278,477,308,023.64
  5. Step 5: Solve for x
    x = 278,477,308,023.64/586,186.56
  6. Step 6: Final answer
    x = 475,066.01

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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.