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Finding the Fourth Proportional to 416,303.68, 574,513.01 and 255,127.60

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Solution

The fourth proportional to 416,303.68, 574,513.01 and 255,127.60 is: 352,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,303.68 : 574,513.01 = 255,127.60 : x
  2. Step 2: Convert to fraction form
    416,303.68/574,513.01 = 255,127.60/x
  3. Step 3: Cross multiply
    416,303.68x = 574,513.01 × 255,127.60
  4. Step 4: Simplify right side
    416,303.68x = 146,574,124,134.44
  5. Step 5: Solve for x
    x = 146,574,124,134.44/416,303.68
  6. Step 6: Final answer
    x = 352,084.62

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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.