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Finding the Fourth Proportional to 1,736,662.80, 2,604,994.20 and 1,169,792.40

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Solution

The fourth proportional to 1,736,662.80, 2,604,994.20 and 1,169,792.40 is: 1,754,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,662.80 : 2,604,994.20 = 1,169,792.40 : x
  2. Step 2: Convert to fraction form
    1,736,662.80/2,604,994.20 = 1,169,792.40/x
  3. Step 3: Cross multiply
    1,736,662.80x = 2,604,994.20 × 1,169,792.40
  4. Step 4: Simplify right side
    1,736,662.80x = 3,047,302,417,204.08
  5. Step 5: Solve for x
    x = 3,047,302,417,204.08/1,736,662.80
  6. Step 6: Final answer
    x = 1,754,688.60

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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.