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Finding the Fourth Proportional to 556,361.88, 767,772.64 and 301,710.12

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Solution

The fourth proportional to 556,361.88, 767,772.64 and 301,710.12 is: 416,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,361.88 : 767,772.64 = 301,710.12 : x
  2. Step 2: Convert to fraction form
    556,361.88/767,772.64 = 301,710.12/x
  3. Step 3: Cross multiply
    556,361.88x = 767,772.64 × 301,710.12
  4. Step 4: Simplify right side
    556,361.88x = 231,644,775,347.12
  5. Step 5: Solve for x
    x = 231,644,775,347.12/556,361.88
  6. Step 6: Final answer
    x = 416,356.30

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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.