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Finding the Fourth Proportional to 617,869.40, 926,804.10 and 493,453.40

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Solution

The fourth proportional to 617,869.40, 926,804.10 and 493,453.40 is: 740,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,869.40 : 926,804.10 = 493,453.40 : x
  2. Step 2: Convert to fraction form
    617,869.40/926,804.10 = 493,453.40/x
  3. Step 3: Cross multiply
    617,869.40x = 926,804.10 × 493,453.40
  4. Step 4: Simplify right side
    617,869.40x = 457,334,634,278.94
  5. Step 5: Solve for x
    x = 457,334,634,278.94/617,869.40
  6. Step 6: Final answer
    x = 740,180.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.