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Finding the Fourth Proportional to 357,866.40, 537,041.04 and 147,499.68

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Solution

The fourth proportional to 357,866.40, 537,041.04 and 147,499.68 is: 221,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,866.40 : 537,041.04 = 147,499.68 : x
  2. Step 2: Convert to fraction form
    357,866.40/537,041.04 = 147,499.68/x
  3. Step 3: Cross multiply
    357,866.40x = 537,041.04 × 147,499.68
  4. Step 4: Simplify right side
    357,866.40x = 79,213,381,546.87
  5. Step 5: Solve for x
    x = 79,213,381,546.87/357,866.40
  6. Step 6: Final answer
    x = 221,349.03

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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.