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Finding the Fourth Proportional to 676,508.46, 933,569.85 and 370,590.90

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Solution

The fourth proportional to 676,508.46, 933,569.85 and 370,590.90 is: 511,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,508.46 : 933,569.85 = 370,590.90 : x
  2. Step 2: Convert to fraction form
    676,508.46/933,569.85 = 370,590.90/x
  3. Step 3: Cross multiply
    676,508.46x = 933,569.85 × 370,590.90
  4. Step 4: Simplify right side
    676,508.46x = 345,972,490,924.37
  5. Step 5: Solve for x
    x = 345,972,490,924.37/676,508.46
  6. Step 6: Final answer
    x = 511,408.96

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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.