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Finding the Fourth Proportional to 708,885.44, 1,063,385.76 and 210,248

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Solution

The fourth proportional to 708,885.44, 1,063,385.76 and 210,248 is: 315,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,885.44 : 1,063,385.76 = 210,248 : x
  2. Step 2: Convert to fraction form
    708,885.44/1,063,385.76 = 210,248/x
  3. Step 3: Cross multiply
    708,885.44x = 1,063,385.76 × 210,248
  4. Step 4: Simplify right side
    708,885.44x = 223,574,729,268.48
  5. Step 5: Solve for x
    x = 223,574,729,268.48/708,885.44
  6. Step 6: Final answer
    x = 315,389.08

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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.