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Finding the Fourth Proportional to 473,840.04, 653,881.48 and 258,978.36

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Solution

The fourth proportional to 473,840.04, 653,881.48 and 258,978.36 is: 357,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,840.04 : 653,881.48 = 258,978.36 : x
  2. Step 2: Convert to fraction form
    473,840.04/653,881.48 = 258,978.36/x
  3. Step 3: Cross multiply
    473,840.04x = 653,881.48 × 258,978.36
  4. Step 4: Simplify right side
    473,840.04x = 169,341,153,324.77
  5. Step 5: Solve for x
    x = 169,341,153,324.77/473,840.04
  6. Step 6: Final answer
    x = 357,380.42

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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.