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Finding the Fourth Proportional to 416,303.36, 574,512.57 and 255,127.28

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Solution

The fourth proportional to 416,303.36, 574,512.57 and 255,127.28 is: 352,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,303.36 : 574,512.57 = 255,127.28 : x
  2. Step 2: Convert to fraction form
    416,303.36/574,512.57 = 255,127.28/x
  3. Step 3: Cross multiply
    416,303.36x = 574,512.57 × 255,127.28
  4. Step 4: Simplify right side
    416,303.36x = 146,573,826,437.35
  5. Step 5: Solve for x
    x = 146,573,826,437.35/416,303.36
  6. Step 6: Final answer
    x = 352,084.18

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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.