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Finding the Fourth Proportional to 932,486.43, 1,398,725.03 and 805,740.98

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Solution

The fourth proportional to 932,486.43, 1,398,725.03 and 805,740.98 is: 1,208,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,486.43 : 1,398,725.03 = 805,740.98 : x
  2. Step 2: Convert to fraction form
    932,486.43/1,398,725.03 = 805,740.98/x
  3. Step 3: Cross multiply
    932,486.43x = 1,398,725.03 × 805,740.98
  4. Step 4: Simplify right side
    932,486.43x = 1,127,010,081,933.89
  5. Step 5: Solve for x
    x = 1,127,010,081,933.89/932,486.43
  6. Step 6: Final answer
    x = 1,208,607.49

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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.