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Finding the Fourth Proportional to 675,661.72, 932,413.26 and 369,738.17

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Solution

The fourth proportional to 675,661.72, 932,413.26 and 369,738.17 is: 510,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,661.72 : 932,413.26 = 369,738.17 : x
  2. Step 2: Convert to fraction form
    675,661.72/932,413.26 = 369,738.17/x
  3. Step 3: Cross multiply
    675,661.72x = 932,413.26 × 369,738.17
  4. Step 4: Simplify right side
    675,661.72x = 344,748,765,925.38
  5. Step 5: Solve for x
    x = 344,748,765,925.38/675,661.72
  6. Step 6: Final answer
    x = 510,238.72

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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.