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Finding the Fourth Proportional to 997,203.60, 1,494,055.80 and 818,744.40

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Solution

The fourth proportional to 997,203.60, 1,494,055.80 and 818,744.40 is: 1,226,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,203.60 : 1,494,055.80 = 818,744.40 : x
  2. Step 2: Convert to fraction form
    997,203.60/1,494,055.80 = 818,744.40/x
  3. Step 3: Cross multiply
    997,203.60x = 1,494,055.80 × 818,744.40
  4. Step 4: Simplify right side
    997,203.60x = 1,223,249,819,537.52
  5. Step 5: Solve for x
    x = 1,223,249,819,537.52/997,203.60
  6. Step 6: Final answer
    x = 1,226,680.11

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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.