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Finding the Fourth Proportional to 1,038,602, 1,433,275.08 and 561,674

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Solution

The fourth proportional to 1,038,602, 1,433,275.08 and 561,674 is: 775,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,602 : 1,433,275.08 = 561,674 : x
  2. Step 2: Convert to fraction form
    1,038,602/1,433,275.08 = 561,674/x
  3. Step 3: Cross multiply
    1,038,602x = 1,433,275.08 × 561,674
  4. Step 4: Simplify right side
    1,038,602x = 805,033,347,283.92
  5. Step 5: Solve for x
    x = 805,033,347,283.92/1,038,602
  6. Step 6: Final answer
    x = 775,112.46

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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.