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Finding the Fourth Proportional to 1,824,236.64, 2,736,945.12 and 877,483.68

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Solution

The fourth proportional to 1,824,236.64, 2,736,945.12 and 877,483.68 is: 1,316,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,236.64 : 2,736,945.12 = 877,483.68 : x
  2. Step 2: Convert to fraction form
    1,824,236.64/2,736,945.12 = 877,483.68/x
  3. Step 3: Cross multiply
    1,824,236.64x = 2,736,945.12 × 877,483.68
  4. Step 4: Simplify right side
    1,824,236.64x = 2,401,624,675,855.64
  5. Step 5: Solve for x
    x = 2,401,624,675,855.64/1,824,236.64
  6. Step 6: Final answer
    x = 1,316,509.40

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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.