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Finding the Fourth Proportional to 567,270.42, 782,818.76 and 309,154.01

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Solution

The fourth proportional to 567,270.42, 782,818.76 and 309,154.01 is: 426,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,270.42 : 782,818.76 = 309,154.01 : x
  2. Step 2: Convert to fraction form
    567,270.42/782,818.76 = 309,154.01/x
  3. Step 3: Cross multiply
    567,270.42x = 782,818.76 × 309,154.01
  4. Step 4: Simplify right side
    567,270.42x = 242,011,553,297.36
  5. Step 5: Solve for x
    x = 242,011,553,297.36/567,270.42
  6. Step 6: Final answer
    x = 426,624.67

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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.