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Finding the Fourth Proportional to 1,865,079.47, 2,573,805.69 and 1,049,283.72

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Solution

The fourth proportional to 1,865,079.47, 2,573,805.69 and 1,049,283.72 is: 1,448,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,079.47 : 2,573,805.69 = 1,049,283.72 : x
  2. Step 2: Convert to fraction form
    1,865,079.47/2,573,805.69 = 1,049,283.72/x
  3. Step 3: Cross multiply
    1,865,079.47x = 2,573,805.69 × 1,049,283.72
  4. Step 4: Simplify right side
    1,865,079.47x = 2,700,652,408,960.37
  5. Step 5: Solve for x
    x = 2,700,652,408,960.37/1,865,079.47
  6. Step 6: Final answer
    x = 1,448,009.29

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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.