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Finding the Fourth Proportional to 559,477.36, 772,371.18 and 436,706.48

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Solution

The fourth proportional to 559,477.36, 772,371.18 and 436,706.48 is: 602,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,477.36 : 772,371.18 = 436,706.48 : x
  2. Step 2: Convert to fraction form
    559,477.36/772,371.18 = 436,706.48/x
  3. Step 3: Cross multiply
    559,477.36x = 772,371.18 × 436,706.48
  4. Step 4: Simplify right side
    559,477.36x = 337,299,499,271.25
  5. Step 5: Solve for x
    x = 337,299,499,271.25/559,477.36
  6. Step 6: Final answer
    x = 602,883.20

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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.