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Finding the Fourth Proportional to 634,708.62, 875,897.89 and 362,782.36

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Solution

The fourth proportional to 634,708.62, 875,897.89 and 362,782.36 is: 500,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,708.62 : 875,897.89 = 362,782.36 : x
  2. Step 2: Convert to fraction form
    634,708.62/875,897.89 = 362,782.36/x
  3. Step 3: Cross multiply
    634,708.62x = 875,897.89 × 362,782.36
  4. Step 4: Simplify right side
    634,708.62x = 317,760,302,656.26
  5. Step 5: Solve for x
    x = 317,760,302,656.26/634,708.62
  6. Step 6: Final answer
    x = 500,639.65

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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.