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Finding the Fourth Proportional to 473,649.01, 653,627.91 and 258,784.45

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Solution

The fourth proportional to 473,649.01, 653,627.91 and 258,784.45 is: 357,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,649.01 : 653,627.91 = 258,784.45 : x
  2. Step 2: Convert to fraction form
    473,649.01/653,627.91 = 258,784.45/x
  3. Step 3: Cross multiply
    473,649.01x = 653,627.91 × 258,784.45
  4. Step 4: Simplify right side
    473,649.01x = 169,148,739,194.00
  5. Step 5: Solve for x
    x = 169,148,739,194.00/473,649.01
  6. Step 6: Final answer
    x = 357,118.32

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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.