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Finding the Fourth Proportional to 468,368.40, 702,551.56 and 361,907.16

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Solution

The fourth proportional to 468,368.40, 702,551.56 and 361,907.16 is: 542,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,368.40 : 702,551.56 = 361,907.16 : x
  2. Step 2: Convert to fraction form
    468,368.40/702,551.56 = 361,907.16/x
  3. Step 3: Cross multiply
    468,368.40x = 702,551.56 × 361,907.16
  4. Step 4: Simplify right side
    468,368.40x = 254,258,439,833.17
  5. Step 5: Solve for x
    x = 254,258,439,833.17/468,368.40
  6. Step 6: Final answer
    x = 542,859.94

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Why These Related Problems?

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