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Finding the Fourth Proportional to 1,859,407.51, 2,788,795.50 and 848,291.80

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Solution

The fourth proportional to 1,859,407.51, 2,788,795.50 and 848,291.80 is: 1,272,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,407.51 : 2,788,795.50 = 848,291.80 : x
  2. Step 2: Convert to fraction form
    1,859,407.51/2,788,795.50 = 848,291.80/x
  3. Step 3: Cross multiply
    1,859,407.51x = 2,788,795.50 × 848,291.80
  4. Step 4: Simplify right side
    1,859,407.51x = 2,365,712,354,526.90
  5. Step 5: Solve for x
    x = 2,365,712,354,526.90/1,859,407.51
  6. Step 6: Final answer
    x = 1,272,293.64

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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.