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Finding the Fourth Proportional to 676,480.31, 933,502.96 and 370,495.77

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Solution

The fourth proportional to 676,480.31, 933,502.96 and 370,495.77 is: 511,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,480.31 : 933,502.96 = 370,495.77 : x
  2. Step 2: Convert to fraction form
    676,480.31/933,502.96 = 370,495.77/x
  3. Step 3: Cross multiply
    676,480.31x = 933,502.96 × 370,495.77
  4. Step 4: Simplify right side
    676,480.31x = 345,858,893,294.96
  5. Step 5: Solve for x
    x = 345,858,893,294.96/676,480.31
  6. Step 6: Final answer
    x = 511,262.32

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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.