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Finding the Fourth Proportional to 876,030, 1,208,921.67 and 473,622

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Solution

The fourth proportional to 876,030, 1,208,921.67 and 473,622 is: 653,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,030 : 1,208,921.67 = 473,622 : x
  2. Step 2: Convert to fraction form
    876,030/1,208,921.67 = 473,622/x
  3. Step 3: Cross multiply
    876,030x = 1,208,921.67 × 473,622
  4. Step 4: Simplify right side
    876,030x = 572,571,899,188.74
  5. Step 5: Solve for x
    x = 572,571,899,188.74/876,030
  6. Step 6: Final answer
    x = 653,598.51

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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.