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Finding the Fourth Proportional to 671,915.04, 927,242.80 and 370,109.04

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Solution

The fourth proportional to 671,915.04, 927,242.80 and 370,109.04 is: 510,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,915.04 : 927,242.80 = 370,109.04 : x
  2. Step 2: Convert to fraction form
    671,915.04/927,242.80 = 370,109.04/x
  3. Step 3: Cross multiply
    671,915.04x = 927,242.80 × 370,109.04
  4. Step 4: Simplify right side
    671,915.04x = 343,180,942,554.91
  5. Step 5: Solve for x
    x = 343,180,942,554.91/671,915.04
  6. Step 6: Final answer
    x = 510,750.50

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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.