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Finding the Fourth Proportional to 484,455.74, 668,667.56 and 375,344.18

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Solution

The fourth proportional to 484,455.74, 668,667.56 and 375,344.18 is: 518,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,455.74 : 668,667.56 = 375,344.18 : x
  2. Step 2: Convert to fraction form
    484,455.74/668,667.56 = 375,344.18/x
  3. Step 3: Cross multiply
    484,455.74x = 668,667.56 × 375,344.18
  4. Step 4: Simplify right side
    484,455.74x = 250,980,474,288.25
  5. Step 5: Solve for x
    x = 250,980,474,288.25/484,455.74
  6. Step 6: Final answer
    x = 518,066.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.