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Finding the Fourth Proportional to 610,119.63, 841,680.32 and 383,889.87

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Solution

The fourth proportional to 610,119.63, 841,680.32 and 383,889.87 is: 529,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,119.63 : 841,680.32 = 383,889.87 : x
  2. Step 2: Convert to fraction form
    610,119.63/841,680.32 = 383,889.87/x
  3. Step 3: Cross multiply
    610,119.63x = 841,680.32 × 383,889.87
  4. Step 4: Simplify right side
    610,119.63x = 323,112,546,706.91
  5. Step 5: Solve for x
    x = 323,112,546,706.91/610,119.63
  6. Step 6: Final answer
    x = 529,588.84

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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.