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Finding the Fourth Proportional to 469,303.69, 697,918.43 and 454,356.76

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Solution

The fourth proportional to 469,303.69, 697,918.43 and 454,356.76 is: 675,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,303.69 : 697,918.43 = 454,356.76 : x
  2. Step 2: Convert to fraction form
    469,303.69/697,918.43 = 454,356.76/x
  3. Step 3: Cross multiply
    469,303.69x = 697,918.43 × 454,356.76
  4. Step 4: Simplify right side
    469,303.69x = 317,103,956,599.09
  5. Step 5: Solve for x
    x = 317,103,956,599.09/469,303.69
  6. Step 6: Final answer
    x = 675,690.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.