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Finding the Fourth Proportional to 450,931.59, 676,459.65 and 151,497.79

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Solution

The fourth proportional to 450,931.59, 676,459.65 and 151,497.79 is: 227,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,931.59 : 676,459.65 = 151,497.79 : x
  2. Step 2: Convert to fraction form
    450,931.59/676,459.65 = 151,497.79/x
  3. Step 3: Cross multiply
    450,931.59x = 676,459.65 × 151,497.79
  4. Step 4: Simplify right side
    450,931.59x = 102,482,137,859.39
  5. Step 5: Solve for x
    x = 102,482,137,859.39/450,931.59
  6. Step 6: Final answer
    x = 227,267.60

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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.