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Finding the Fourth Proportional to 584,563.40, 876,407.70 and 318,624.20

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Solution

The fourth proportional to 584,563.40, 876,407.70 and 318,624.20 is: 477,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,563.40 : 876,407.70 = 318,624.20 : x
  2. Step 2: Convert to fraction form
    584,563.40/876,407.70 = 318,624.20/x
  3. Step 3: Cross multiply
    584,563.40x = 876,407.70 × 318,624.20
  4. Step 4: Simplify right side
    584,563.40x = 279,244,702,286.34
  5. Step 5: Solve for x
    x = 279,244,702,286.34/584,563.40
  6. Step 6: Final answer
    x = 477,697.89

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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.