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Finding the Fourth Proportional to 459,455.85, 634,000.54 and 255,473.87

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Solution

The fourth proportional to 459,455.85, 634,000.54 and 255,473.87 is: 352,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,455.85 : 634,000.54 = 255,473.87 : x
  2. Step 2: Convert to fraction form
    459,455.85/634,000.54 = 255,473.87/x
  3. Step 3: Cross multiply
    459,455.85x = 634,000.54 × 255,473.87
  4. Step 4: Simplify right side
    459,455.85x = 161,970,571,535.89
  5. Step 5: Solve for x
    x = 161,970,571,535.89/459,455.85
  6. Step 6: Final answer
    x = 352,526.95

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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.