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Finding the Fourth Proportional to 416,837.70, 575,264.79 and 253,557.90

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Solution

The fourth proportional to 416,837.70, 575,264.79 and 253,557.90 is: 349,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,837.70 : 575,264.79 = 253,557.90 : x
  2. Step 2: Convert to fraction form
    416,837.70/575,264.79 = 253,557.90/x
  3. Step 3: Cross multiply
    416,837.70x = 575,264.79 × 253,557.90
  4. Step 4: Simplify right side
    416,837.70x = 145,862,932,096.34
  5. Step 5: Solve for x
    x = 145,862,932,096.34/416,837.70
  6. Step 6: Final answer
    x = 349,927.40

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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.