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Finding the Fourth Proportional to 357,658.42, 536,570.66 and 104,928.70

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Solution

The fourth proportional to 357,658.42, 536,570.66 and 104,928.70 is: 157,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,658.42 : 536,570.66 = 104,928.70 : x
  2. Step 2: Convert to fraction form
    357,658.42/536,570.66 = 104,928.70/x
  3. Step 3: Cross multiply
    357,658.42x = 536,570.66 × 104,928.70
  4. Step 4: Simplify right side
    357,658.42x = 56,301,661,811.94
  5. Step 5: Solve for x
    x = 56,301,661,811.94/357,658.42
  6. Step 6: Final answer
    x = 157,417.41

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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.