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Finding the Fourth Proportional to 461,389.85, 693,068.39 and 434,423.87

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Solution

The fourth proportional to 461,389.85, 693,068.39 and 434,423.87 is: 652,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,389.85 : 693,068.39 = 434,423.87 : x
  2. Step 2: Convert to fraction form
    461,389.85/693,068.39 = 434,423.87/x
  3. Step 3: Cross multiply
    461,389.85x = 693,068.39 × 434,423.87
  4. Step 4: Simplify right side
    461,389.85x = 301,085,450,749.10
  5. Step 5: Solve for x
    x = 301,085,450,749.10/461,389.85
  6. Step 6: Final answer
    x = 652,561.93

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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.