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Finding the Fourth Proportional to 555,897.04, 766,918.76 and 362,530

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Solution

The fourth proportional to 555,897.04, 766,918.76 and 362,530 is: 500,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,897.04 : 766,918.76 = 362,530 : x
  2. Step 2: Convert to fraction form
    555,897.04/766,918.76 = 362,530/x
  3. Step 3: Cross multiply
    555,897.04x = 766,918.76 × 362,530
  4. Step 4: Simplify right side
    555,897.04x = 278,031,058,062.80
  5. Step 5: Solve for x
    x = 278,031,058,062.80/555,897.04
  6. Step 6: Final answer
    x = 500,148.48

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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.