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Finding the Fourth Proportional to 554,915.64, 765,501.33 and 337,066.36

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Solution

The fourth proportional to 554,915.64, 765,501.33 and 337,066.36 is: 464,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,915.64 : 765,501.33 = 337,066.36 : x
  2. Step 2: Convert to fraction form
    554,915.64/765,501.33 = 337,066.36/x
  3. Step 3: Cross multiply
    554,915.64x = 765,501.33 × 337,066.36
  4. Step 4: Simplify right side
    554,915.64x = 258,024,750,534.45
  5. Step 5: Solve for x
    x = 258,024,750,534.45/554,915.64
  6. Step 6: Final answer
    x = 464,980.14

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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.