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Finding the Fourth Proportional to 650,041.20, 973,749.60 and 369,230.40

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Solution

The fourth proportional to 650,041.20, 973,749.60 and 369,230.40 is: 553,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,041.20 : 973,749.60 = 369,230.40 : x
  2. Step 2: Convert to fraction form
    650,041.20/973,749.60 = 369,230.40/x
  3. Step 3: Cross multiply
    650,041.20x = 973,749.60 × 369,230.40
  4. Step 4: Simplify right side
    650,041.20x = 359,537,954,307.84
  5. Step 5: Solve for x
    x = 359,537,954,307.84/650,041.20
  6. Step 6: Final answer
    x = 553,100.26

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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.