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Finding the Fourth Proportional to 1,692,830, 2,539,394.04 and 627,883.76

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Solution

The fourth proportional to 1,692,830, 2,539,394.04 and 627,883.76 is: 941,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,830 : 2,539,394.04 = 627,883.76 : x
  2. Step 2: Convert to fraction form
    1,692,830/2,539,394.04 = 627,883.76/x
  3. Step 3: Cross multiply
    1,692,830x = 2,539,394.04 × 627,883.76
  4. Step 4: Simplify right side
    1,692,830x = 1,594,444,277,956.79
  5. Step 5: Solve for x
    x = 1,594,444,277,956.79/1,692,830
  6. Step 6: Final answer
    x = 941,880.92

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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.