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Finding the Fourth Proportional to 603,495.90, 832,774.50 and 331,549.74

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Solution

The fourth proportional to 603,495.90, 832,774.50 and 331,549.74 is: 457,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,495.90 : 832,774.50 = 331,549.74 : x
  2. Step 2: Convert to fraction form
    603,495.90/832,774.50 = 331,549.74/x
  3. Step 3: Cross multiply
    603,495.90x = 832,774.50 × 331,549.74
  4. Step 4: Simplify right side
    603,495.90x = 276,106,168,953.63
  5. Step 5: Solve for x
    x = 276,106,168,953.63/603,495.90
  6. Step 6: Final answer
    x = 457,511.26

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1.5x scale

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.