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Finding the Fourth Proportional to 584,912.40, 877,368.60 and 164,259.60

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Solution

The fourth proportional to 584,912.40, 877,368.60 and 164,259.60 is: 246,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,912.40 : 877,368.60 = 164,259.60 : x
  2. Step 2: Convert to fraction form
    584,912.40/877,368.60 = 164,259.60/x
  3. Step 3: Cross multiply
    584,912.40x = 877,368.60 × 164,259.60
  4. Step 4: Simplify right side
    584,912.40x = 144,116,215,288.56
  5. Step 5: Solve for x
    x = 144,116,215,288.56/584,912.40
  6. Step 6: Final answer
    x = 246,389.40

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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.