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Finding the Fourth Proportional to 385,034.58, 577,413.63 and 148,258.26

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Solution

The fourth proportional to 385,034.58, 577,413.63 and 148,258.26 is: 222,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,034.58 : 577,413.63 = 148,258.26 : x
  2. Step 2: Convert to fraction form
    385,034.58/577,413.63 = 148,258.26/x
  3. Step 3: Cross multiply
    385,034.58x = 577,413.63 × 148,258.26
  4. Step 4: Simplify right side
    385,034.58x = 85,606,340,084.08
  5. Step 5: Solve for x
    x = 85,606,340,084.08/385,034.58
  6. Step 6: Final answer
    x = 222,334.16

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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.