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Finding the Fourth Proportional to 604,926.90, 907,346.60 and 289,299.06

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Solution

The fourth proportional to 604,926.90, 907,346.60 and 289,299.06 is: 433,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,926.90 : 907,346.60 = 289,299.06 : x
  2. Step 2: Convert to fraction form
    604,926.90/907,346.60 = 289,299.06/x
  3. Step 3: Cross multiply
    604,926.90x = 907,346.60 × 289,299.06
  4. Step 4: Simplify right side
    604,926.90x = 262,494,518,474.20
  5. Step 5: Solve for x
    x = 262,494,518,474.20/604,926.90
  6. Step 6: Final answer
    x = 433,927.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.