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Finding the Fourth Proportional to 636,341.14, 954,462.21 and 369,931.60

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Solution

The fourth proportional to 636,341.14, 954,462.21 and 369,931.60 is: 554,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,341.14 : 954,462.21 = 369,931.60 : x
  2. Step 2: Convert to fraction form
    636,341.14/954,462.21 = 369,931.60/x
  3. Step 3: Cross multiply
    636,341.14x = 954,462.21 × 369,931.60
  4. Step 4: Simplify right side
    636,341.14x = 353,085,732,484.84
  5. Step 5: Solve for x
    x = 353,085,732,484.84/636,341.14
  6. Step 6: Final answer
    x = 554,868.62

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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.