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Finding the Fourth Proportional to 922,999.02, 1,384,432.86 and 249,118.68

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Solution

The fourth proportional to 922,999.02, 1,384,432.86 and 249,118.68 is: 373,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,999.02 : 1,384,432.86 = 249,118.68 : x
  2. Step 2: Convert to fraction form
    922,999.02/1,384,432.86 = 249,118.68/x
  3. Step 3: Cross multiply
    922,999.02x = 1,384,432.86 × 249,118.68
  4. Step 4: Simplify right side
    922,999.02x = 344,888,086,631.83
  5. Step 5: Solve for x
    x = 344,888,086,631.83/922,999.02
  6. Step 6: Final answer
    x = 373,660.30

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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.