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Finding the Fourth Proportional to 1,354,328.82, 1,868,933.33 and 742,460.67

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Solution

The fourth proportional to 1,354,328.82, 1,868,933.33 and 742,460.67 is: 1,024,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,328.82 : 1,868,933.33 = 742,460.67 : x
  2. Step 2: Convert to fraction form
    1,354,328.82/1,868,933.33 = 742,460.67/x
  3. Step 3: Cross multiply
    1,354,328.82x = 1,868,933.33 × 742,460.67
  4. Step 4: Simplify right side
    1,354,328.82x = 1,387,609,488,664.83
  5. Step 5: Solve for x
    x = 1,387,609,488,664.83/1,354,328.82
  6. Step 6: Final answer
    x = 1,024,573.55

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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.