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Finding the Fourth Proportional to 670,438.04, 925,222.68 and 364,535

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Solution

The fourth proportional to 670,438.04, 925,222.68 and 364,535 is: 503,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,438.04 : 925,222.68 = 364,535 : x
  2. Step 2: Convert to fraction form
    670,438.04/925,222.68 = 364,535/x
  3. Step 3: Cross multiply
    670,438.04x = 925,222.68 × 364,535
  4. Step 4: Simplify right side
    670,438.04x = 337,276,049,653.80
  5. Step 5: Solve for x
    x = 337,276,049,653.80/670,438.04
  6. Step 6: Final answer
    x = 503,068.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.