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Finding the Fourth Proportional to 1,671,565, 2,306,759.70 and 956,173

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Solution

The fourth proportional to 1,671,565, 2,306,759.70 and 956,173 is: 1,319,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,565 : 2,306,759.70 = 956,173 : x
  2. Step 2: Convert to fraction form
    1,671,565/2,306,759.70 = 956,173/x
  3. Step 3: Cross multiply
    1,671,565x = 2,306,759.70 × 956,173
  4. Step 4: Simplify right side
    1,671,565x = 2,205,661,342,628.10
  5. Step 5: Solve for x
    x = 2,205,661,342,628.10/1,671,565
  6. Step 6: Final answer
    x = 1,319,518.74

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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.