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Finding the Fourth Proportional to 4,863,193.89, 7,294,938.45 and 1,668,273.93

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Solution

The fourth proportional to 4,863,193.89, 7,294,938.45 and 1,668,273.93 is: 2,502,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863,193.89 : 7,294,938.45 = 1,668,273.93 : x
  2. Step 2: Convert to fraction form
    4,863,193.89/7,294,938.45 = 1,668,273.93/x
  3. Step 3: Cross multiply
    4,863,193.89x = 7,294,938.45 × 1,668,273.93
  4. Step 4: Simplify right side
    4,863,193.89x = 12,169,955,637,089.61
  5. Step 5: Solve for x
    x = 12,169,955,637,089.61/4,863,193.89
  6. Step 6: Final answer
    x = 2,502,461.53

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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.