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Finding the Fourth Proportional to 550,288.16, 759,118.16 and 359,413.28

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Solution

The fourth proportional to 550,288.16, 759,118.16 and 359,413.28 is: 495,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,288.16 : 759,118.16 = 359,413.28 : x
  2. Step 2: Convert to fraction form
    550,288.16/759,118.16 = 359,413.28/x
  3. Step 3: Cross multiply
    550,288.16x = 759,118.16 × 359,413.28
  4. Step 4: Simplify right side
    550,288.16x = 272,837,147,793.17
  5. Step 5: Solve for x
    x = 272,837,147,793.17/550,288.16
  6. Step 6: Final answer
    x = 495,807.77

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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.