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Finding the Fourth Proportional to 480,368.20, 662,942.45 and 265,503.62

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Solution

The fourth proportional to 480,368.20, 662,942.45 and 265,503.62 is: 366,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,368.20 : 662,942.45 = 265,503.62 : x
  2. Step 2: Convert to fraction form
    480,368.20/662,942.45 = 265,503.62/x
  3. Step 3: Cross multiply
    480,368.20x = 662,942.45 × 265,503.62
  4. Step 4: Simplify right side
    480,368.20x = 176,013,618,999.15
  5. Step 5: Solve for x
    x = 176,013,618,999.15/480,368.20
  6. Step 6: Final answer
    x = 366,413.97

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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.