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Finding the Fourth Proportional to 554,705.36, 765,250.28 and 325,146.28

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Solution

The fourth proportional to 554,705.36, 765,250.28 and 325,146.28 is: 448,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,705.36 : 765,250.28 = 325,146.28 : x
  2. Step 2: Convert to fraction form
    554,705.36/765,250.28 = 325,146.28/x
  3. Step 3: Cross multiply
    554,705.36x = 765,250.28 × 325,146.28
  4. Step 4: Simplify right side
    554,705.36x = 248,818,281,810.96
  5. Step 5: Solve for x
    x = 248,818,281,810.96/554,705.36
  6. Step 6: Final answer
    x = 448,559.36

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1.5x scale

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.