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Finding the Fourth Proportional to 565,167.06, 779,927.31 and 307,041.93

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Solution

The fourth proportional to 565,167.06, 779,927.31 and 307,041.93 is: 423,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,167.06 : 779,927.31 = 307,041.93 : x
  2. Step 2: Convert to fraction form
    565,167.06/779,927.31 = 307,041.93/x
  3. Step 3: Cross multiply
    565,167.06x = 779,927.31 × 307,041.93
  4. Step 4: Simplify right side
    565,167.06x = 239,470,386,522.11
  5. Step 5: Solve for x
    x = 239,470,386,522.11/565,167.06
  6. Step 6: Final answer
    x = 423,716.11

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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.