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Finding the Fourth Proportional to 480,413.28, 662,970.47 and 262,622.91

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Solution

The fourth proportional to 480,413.28, 662,970.47 and 262,622.91 is: 362,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,413.28 : 662,970.47 = 262,622.91 : x
  2. Step 2: Convert to fraction form
    480,413.28/662,970.47 = 262,622.91/x
  3. Step 3: Cross multiply
    480,413.28x = 662,970.47 × 262,622.91
  4. Step 4: Simplify right side
    480,413.28x = 174,111,234,075.47
  5. Step 5: Solve for x
    x = 174,111,234,075.47/480,413.28
  6. Step 6: Final answer
    x = 362,419.69

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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.