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Finding the Fourth Proportional to 357,888.37, 536,438.89 and 147,411.49

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Solution

The fourth proportional to 357,888.37, 536,438.89 and 147,411.49 is: 220,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,888.37 : 536,438.89 = 147,411.49 : x
  2. Step 2: Convert to fraction form
    357,888.37/536,438.89 = 147,411.49/x
  3. Step 3: Cross multiply
    357,888.37x = 536,438.89 × 147,411.49
  4. Step 4: Simplify right side
    357,888.37x = 79,077,252,649.59
  5. Step 5: Solve for x
    x = 79,077,252,649.59/357,888.37
  6. Step 6: Final answer
    x = 220,955.08

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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.