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Finding the Fourth Proportional to 675,002.61, 931,532.54 and 369,060.75

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Solution

The fourth proportional to 675,002.61, 931,532.54 and 369,060.75 is: 509,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,002.61 : 931,532.54 = 369,060.75 : x
  2. Step 2: Convert to fraction form
    675,002.61/931,532.54 = 369,060.75/x
  3. Step 3: Cross multiply
    675,002.61x = 931,532.54 × 369,060.75
  4. Step 4: Simplify right side
    675,002.61x = 343,792,096,016.50
  5. Step 5: Solve for x
    x = 343,792,096,016.50/675,002.61
  6. Step 6: Final answer
    x = 509,319.65

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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.