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Finding the Fourth Proportional to 675,265.06, 931,827.61 and 369,280.68

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Solution

The fourth proportional to 675,265.06, 931,827.61 and 369,280.68 is: 509,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,265.06 : 931,827.61 = 369,280.68 : x
  2. Step 2: Convert to fraction form
    675,265.06/931,827.61 = 369,280.68/x
  3. Step 3: Cross multiply
    675,265.06x = 931,827.61 × 369,280.68
  4. Step 4: Simplify right side
    675,265.06x = 344,105,933,463.58
  5. Step 5: Solve for x
    x = 344,105,933,463.58/675,265.06
  6. Step 6: Final answer
    x = 509,586.46

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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.