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Finding the Fourth Proportional to 437,276.94, 655,915.53 and 337,582.66

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Solution

The fourth proportional to 437,276.94, 655,915.53 and 337,582.66 is: 506,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,276.94 : 655,915.53 = 337,582.66 : x
  2. Step 2: Convert to fraction form
    437,276.94/655,915.53 = 337,582.66/x
  3. Step 3: Cross multiply
    437,276.94x = 655,915.53 × 337,582.66
  4. Step 4: Simplify right side
    437,276.94x = 221,425,709,352.71
  5. Step 5: Solve for x
    x = 221,425,709,352.71/437,276.94
  6. Step 6: Final answer
    x = 506,374.08

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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.