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Finding the Fourth Proportional to 1,495,980, 2,064,601.80 and 892,368

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Solution

The fourth proportional to 1,495,980, 2,064,601.80 and 892,368 is: 1,231,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,980 : 2,064,601.80 = 892,368 : x
  2. Step 2: Convert to fraction form
    1,495,980/2,064,601.80 = 892,368/x
  3. Step 3: Cross multiply
    1,495,980x = 2,064,601.80 × 892,368
  4. Step 4: Simplify right side
    1,495,980x = 1,842,384,579,062.40
  5. Step 5: Solve for x
    x = 1,842,384,579,062.40/1,495,980
  6. Step 6: Final answer
    x = 1,231,556.96

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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.