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Finding the Fourth Proportional to 1,294,379.04, 1,942,443.36 and 452,938.08

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Solution

The fourth proportional to 1,294,379.04, 1,942,443.36 and 452,938.08 is: 679,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,379.04 : 1,942,443.36 = 452,938.08 : x
  2. Step 2: Convert to fraction form
    1,294,379.04/1,942,443.36 = 452,938.08/x
  3. Step 3: Cross multiply
    1,294,379.04x = 1,942,443.36 × 452,938.08
  4. Step 4: Simplify right side
    1,294,379.04x = 879,806,565,987.15
  5. Step 5: Solve for x
    x = 879,806,565,987.15/1,294,379.04
  6. Step 6: Final answer
    x = 679,713.24

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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.