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Finding the Fourth Proportional to 316,610, 436,921.80 and 182,482.64

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Solution

The fourth proportional to 316,610, 436,921.80 and 182,482.64 is: 251,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,610 : 436,921.80 = 182,482.64 : x
  2. Step 2: Convert to fraction form
    316,610/436,921.80 = 182,482.64/x
  3. Step 3: Cross multiply
    316,610x = 436,921.80 × 182,482.64
  4. Step 4: Simplify right side
    316,610x = 79,730,643,537.55
  5. Step 5: Solve for x
    x = 79,730,643,537.55/316,610
  6. Step 6: Final answer
    x = 251,826.04

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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.