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Finding the Fourth Proportional to 519,292, 716,536.39 and 346,933.62

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Solution

The fourth proportional to 519,292, 716,536.39 and 346,933.62 is: 478,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,292 : 716,536.39 = 346,933.62 : x
  2. Step 2: Convert to fraction form
    519,292/716,536.39 = 346,933.62/x
  3. Step 3: Cross multiply
    519,292x = 716,536.39 × 346,933.62
  4. Step 4: Simplify right side
    519,292x = 248,590,563,644.43
  5. Step 5: Solve for x
    x = 248,590,563,644.43/519,292
  6. Step 6: Final answer
    x = 478,710.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.