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Finding the Fourth Proportional to 591,424.23, 816,437.90 and 346,374.90

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Solution

The fourth proportional to 591,424.23, 816,437.90 and 346,374.90 is: 478,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,424.23 : 816,437.90 = 346,374.90 : x
  2. Step 2: Convert to fraction form
    591,424.23/816,437.90 = 346,374.90/x
  3. Step 3: Cross multiply
    591,424.23x = 816,437.90 × 346,374.90
  4. Step 4: Simplify right side
    591,424.23x = 282,793,594,236.84
  5. Step 5: Solve for x
    x = 282,793,594,236.84/591,424.23
  6. Step 6: Final answer
    x = 478,156.93

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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.