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Finding the Fourth Proportional to 1,263,836.42, 1,895,567.72 and 464,931.11

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Solution

The fourth proportional to 1,263,836.42, 1,895,567.72 and 464,931.11 is: 697,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,836.42 : 1,895,567.72 = 464,931.11 : x
  2. Step 2: Convert to fraction form
    1,263,836.42/1,895,567.72 = 464,931.11/x
  3. Step 3: Cross multiply
    1,263,836.42x = 1,895,567.72 × 464,931.11
  4. Step 4: Simplify right side
    1,263,836.42x = 881,308,398,506.70
  5. Step 5: Solve for x
    x = 881,308,398,506.70/1,263,836.42
  6. Step 6: Final answer
    x = 697,327.90

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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.