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Finding the Fourth Proportional to 884,482.12, 1,326,708.60 and 253,381.96

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Solution

The fourth proportional to 884,482.12, 1,326,708.60 and 253,381.96 is: 380,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,482.12 : 1,326,708.60 = 253,381.96 : x
  2. Step 2: Convert to fraction form
    884,482.12/1,326,708.60 = 253,381.96/x
  3. Step 3: Cross multiply
    884,482.12x = 1,326,708.60 × 253,381.96
  4. Step 4: Simplify right side
    884,482.12x = 336,164,025,416.86
  5. Step 5: Solve for x
    x = 336,164,025,416.86/884,482.12
  6. Step 6: Final answer
    x = 380,068.76

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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.