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Finding the Fourth Proportional to 357,615.02, 535,654.64 and 336,678.14

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Solution

The fourth proportional to 357,615.02, 535,654.64 and 336,678.14 is: 504,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,615.02 : 535,654.64 = 336,678.14 : x
  2. Step 2: Convert to fraction form
    357,615.02/535,654.64 = 336,678.14/x
  3. Step 3: Cross multiply
    357,615.02x = 535,654.64 × 336,678.14
  4. Step 4: Simplify right side
    357,615.02x = 180,343,207,877.57
  5. Step 5: Solve for x
    x = 180,343,207,877.57/357,615.02
  6. Step 6: Final answer
    x = 504,294.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.