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Finding the Fourth Proportional to 1,748,988, 2,623,482 and 486,848.52

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Solution

The fourth proportional to 1,748,988, 2,623,482 and 486,848.52 is: 730,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,988 : 2,623,482 = 486,848.52 : x
  2. Step 2: Convert to fraction form
    1,748,988/2,623,482 = 486,848.52/x
  3. Step 3: Cross multiply
    1,748,988x = 2,623,482 × 486,848.52
  4. Step 4: Simplify right side
    1,748,988x = 1,277,238,328,946.64
  5. Step 5: Solve for x
    x = 1,277,238,328,946.64/1,748,988
  6. Step 6: Final answer
    x = 730,272.78

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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.