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Finding the Fourth Proportional to 1,038,498, 1,433,127.32 and 561,570

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Solution

The fourth proportional to 1,038,498, 1,433,127.32 and 561,570 is: 774,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,498 : 1,433,127.32 = 561,570 : x
  2. Step 2: Convert to fraction form
    1,038,498/1,433,127.32 = 561,570/x
  3. Step 3: Cross multiply
    1,038,498x = 1,433,127.32 × 561,570
  4. Step 4: Simplify right side
    1,038,498x = 804,801,309,092.40
  5. Step 5: Solve for x
    x = 804,801,309,092.40/1,038,498
  6. Step 6: Final answer
    x = 774,966.64

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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.