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Finding the Fourth Proportional to 268,386.90, 370,369.77 and 147,525.60

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Solution

The fourth proportional to 268,386.90, 370,369.77 and 147,525.60 is: 203,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,386.90 : 370,369.77 = 147,525.60 : x
  2. Step 2: Convert to fraction form
    268,386.90/370,369.77 = 147,525.60/x
  3. Step 3: Cross multiply
    268,386.90x = 370,369.77 × 147,525.60
  4. Step 4: Simplify right side
    268,386.90x = 54,639,022,541.11
  5. Step 5: Solve for x
    x = 54,639,022,541.11/268,386.90
  6. Step 6: Final answer
    x = 203,583.05

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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.