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Finding the Fourth Proportional to 440,925.53, 608,459.50 and 259,645.10

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Solution

The fourth proportional to 440,925.53, 608,459.50 and 259,645.10 is: 358,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,925.53 : 608,459.50 = 259,645.10 : x
  2. Step 2: Convert to fraction form
    440,925.53/608,459.50 = 259,645.10/x
  3. Step 3: Cross multiply
    440,925.53x = 608,459.50 × 259,645.10
  4. Step 4: Simplify right side
    440,925.53x = 157,983,527,723.45
  5. Step 5: Solve for x
    x = 157,983,527,723.45/440,925.53
  6. Step 6: Final answer
    x = 358,299.80

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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.