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Finding the Fourth Proportional to 576,413.10, 863,518.05 and 310,085.10

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Solution

The fourth proportional to 576,413.10, 863,518.05 and 310,085.10 is: 464,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,413.10 : 863,518.05 = 310,085.10 : x
  2. Step 2: Convert to fraction form
    576,413.10/863,518.05 = 310,085.10/x
  3. Step 3: Cross multiply
    576,413.10x = 863,518.05 × 310,085.10
  4. Step 4: Simplify right side
    576,413.10x = 267,764,080,886.06
  5. Step 5: Solve for x
    x = 267,764,080,886.06/576,413.10
  6. Step 6: Final answer
    x = 464,535.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.