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Finding the Fourth Proportional to 535,176.71, 801,190.40 and 357,242.39

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Solution

The fourth proportional to 535,176.71, 801,190.40 and 357,242.39 is: 534,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,176.71 : 801,190.40 = 357,242.39 : x
  2. Step 2: Convert to fraction form
    535,176.71/801,190.40 = 357,242.39/x
  3. Step 3: Cross multiply
    535,176.71x = 801,190.40 × 357,242.39
  4. Step 4: Simplify right side
    535,176.71x = 286,219,167,548.89
  5. Step 5: Solve for x
    x = 286,219,167,548.89/535,176.71
  6. Step 6: Final answer
    x = 534,812.46

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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.