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Finding the Fourth Proportional to 556,203.14, 767,562 and 301,554.44

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Solution

The fourth proportional to 556,203.14, 767,562 and 301,554.44 is: 416,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,203.14 : 767,562 = 301,554.44 : x
  2. Step 2: Convert to fraction form
    556,203.14/767,562 = 301,554.44/x
  3. Step 3: Cross multiply
    556,203.14x = 767,562 × 301,554.44
  4. Step 4: Simplify right side
    556,203.14x = 231,461,729,075.28
  5. Step 5: Solve for x
    x = 231,461,729,075.28/556,203.14
  6. Step 6: Final answer
    x = 416,146.03

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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.