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Finding the Fourth Proportional to 623,374.26, 859,857.57 and 432,317.94

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Solution

The fourth proportional to 623,374.26, 859,857.57 and 432,317.94 is: 596,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,374.26 : 859,857.57 = 432,317.94 : x
  2. Step 2: Convert to fraction form
    623,374.26/859,857.57 = 432,317.94/x
  3. Step 3: Cross multiply
    623,374.26x = 859,857.57 × 432,317.94
  4. Step 4: Simplify right side
    623,374.26x = 371,731,853,355.81
  5. Step 5: Solve for x
    x = 371,731,853,355.81/623,374.26
  6. Step 6: Final answer
    x = 596,322.11

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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.