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Finding the Fourth Proportional to 1,254,297.03, 1,727,764.88 and 1,011,900.89

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Solution

The fourth proportional to 1,254,297.03, 1,727,764.88 and 1,011,900.89 is: 1,393,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,297.03 : 1,727,764.88 = 1,011,900.89 : x
  2. Step 2: Convert to fraction form
    1,254,297.03/1,727,764.88 = 1,011,900.89/x
  3. Step 3: Cross multiply
    1,254,297.03x = 1,727,764.88 × 1,011,900.89
  4. Step 4: Simplify right side
    1,254,297.03x = 1,748,326,806,084.41
  5. Step 5: Solve for x
    x = 1,748,326,806,084.41/1,254,297.03
  6. Step 6: Final answer
    x = 1,393,869.84

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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.