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Finding the Fourth Proportional to 461,413.66, 636,655.75 and 265,142.22

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Solution

The fourth proportional to 461,413.66, 636,655.75 and 265,142.22 is: 365,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,413.66 : 636,655.75 = 265,142.22 : x
  2. Step 2: Convert to fraction form
    461,413.66/636,655.75 = 265,142.22/x
  3. Step 3: Cross multiply
    461,413.66x = 636,655.75 × 265,142.22
  4. Step 4: Simplify right side
    461,413.66x = 168,804,316,328.10
  5. Step 5: Solve for x
    x = 168,804,316,328.10/461,413.66
  6. Step 6: Final answer
    x = 365,841.61

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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.