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Finding the Fourth Proportional to 496,330.90, 684,880.98 and 292,368.54

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Solution

The fourth proportional to 496,330.90, 684,880.98 and 292,368.54 is: 403,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,330.90 : 684,880.98 = 292,368.54 : x
  2. Step 2: Convert to fraction form
    496,330.90/684,880.98 = 292,368.54/x
  3. Step 3: Cross multiply
    496,330.90x = 684,880.98 × 292,368.54
  4. Step 4: Simplify right side
    496,330.90x = 200,237,652,196.37
  5. Step 5: Solve for x
    x = 200,237,652,196.37/496,330.90
  6. Step 6: Final answer
    x = 403,435.80

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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.