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Finding the Fourth Proportional to 377,000.70, 565,501.05 and 335,666.40

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Solution

The fourth proportional to 377,000.70, 565,501.05 and 335,666.40 is: 503,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,000.70 : 565,501.05 = 335,666.40 : x
  2. Step 2: Convert to fraction form
    377,000.70/565,501.05 = 335,666.40/x
  3. Step 3: Cross multiply
    377,000.70x = 565,501.05 × 335,666.40
  4. Step 4: Simplify right side
    377,000.70x = 189,819,701,649.72
  5. Step 5: Solve for x
    x = 189,819,701,649.72/377,000.70
  6. Step 6: Final answer
    x = 503,499.60

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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.