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Finding the Fourth Proportional to 599,430.48, 898,370.70 and 448,486.47

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Solution

The fourth proportional to 599,430.48, 898,370.70 and 448,486.47 is: 672,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,430.48 : 898,370.70 = 448,486.47 : x
  2. Step 2: Convert to fraction form
    599,430.48/898,370.70 = 448,486.47/x
  3. Step 3: Cross multiply
    599,430.48x = 898,370.70 × 448,486.47
  4. Step 4: Simplify right side
    599,430.48x = 402,907,102,312.61
  5. Step 5: Solve for x
    x = 402,907,102,312.61/599,430.48
  6. Step 6: Final answer
    x = 672,149.85

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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.