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Finding the Fourth Proportional to 708,357.16, 977,906.67 and 569,026.22

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Solution

The fourth proportional to 708,357.16, 977,906.67 and 569,026.22 is: 785,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,357.16 : 977,906.67 = 569,026.22 : x
  2. Step 2: Convert to fraction form
    708,357.16/977,906.67 = 569,026.22/x
  3. Step 3: Cross multiply
    708,357.16x = 977,906.67 × 569,026.22
  4. Step 4: Simplify right side
    708,357.16x = 556,454,535,942.89
  5. Step 5: Solve for x
    x = 556,454,535,942.89/708,357.16
  6. Step 6: Final answer
    x = 785,556.46

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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.