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Finding the Fourth Proportional to 3,668,981.60, 5,503,472.40 and 973,301.60

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Solution

The fourth proportional to 3,668,981.60, 5,503,472.40 and 973,301.60 is: 1,459,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668,981.60 : 5,503,472.40 = 973,301.60 : x
  2. Step 2: Convert to fraction form
    3,668,981.60/5,503,472.40 = 973,301.60/x
  3. Step 3: Cross multiply
    3,668,981.60x = 5,503,472.40 × 973,301.60
  4. Step 4: Simplify right side
    3,668,981.60x = 5,356,538,492,475.84
  5. Step 5: Solve for x
    x = 5,356,538,492,475.84/3,668,981.60
  6. Step 6: Final answer
    x = 1,459,952.40

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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.