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Finding the Fourth Proportional to 1,138,769.04, 1,570,483.08 and 944,869.68

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Solution

The fourth proportional to 1,138,769.04, 1,570,483.08 and 944,869.68 is: 1,303,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,769.04 : 1,570,483.08 = 944,869.68 : x
  2. Step 2: Convert to fraction form
    1,138,769.04/1,570,483.08 = 944,869.68/x
  3. Step 3: Cross multiply
    1,138,769.04x = 1,570,483.08 × 944,869.68
  4. Step 4: Simplify right side
    1,138,769.04x = 1,483,901,845,245.01
  5. Step 5: Solve for x
    x = 1,483,901,845,245.01/1,138,769.04
  6. Step 6: Final answer
    x = 1,303,075.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.