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Finding the Fourth Proportional to 473,988.40, 654,106.30 and 259,128.46

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Solution

The fourth proportional to 473,988.40, 654,106.30 and 259,128.46 is: 357,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,988.40 : 654,106.30 = 259,128.46 : x
  2. Step 2: Convert to fraction form
    473,988.40/654,106.30 = 259,128.46/x
  3. Step 3: Cross multiply
    473,988.40x = 654,106.30 × 259,128.46
  4. Step 4: Simplify right side
    473,988.40x = 169,497,558,195.30
  5. Step 5: Solve for x
    x = 169,497,558,195.30/473,988.40
  6. Step 6: Final answer
    x = 357,598.54

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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.