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Finding the Fourth Proportional to 531,620.64, 797,565.36 and 176,636.40

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Solution

The fourth proportional to 531,620.64, 797,565.36 and 176,636.40 is: 264,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,620.64 : 797,565.36 = 176,636.40 : x
  2. Step 2: Convert to fraction form
    531,620.64/797,565.36 = 176,636.40/x
  3. Step 3: Cross multiply
    531,620.64x = 797,565.36 × 176,636.40
  4. Step 4: Simplify right side
    531,620.64x = 140,879,073,955.10
  5. Step 5: Solve for x
    x = 140,879,073,955.10/531,620.64
  6. Step 6: Final answer
    x = 264,999.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.