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Finding the Fourth Proportional to 556,107.62, 767,429.51 and 301,459.41

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Solution

The fourth proportional to 556,107.62, 767,429.51 and 301,459.41 is: 416,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,107.62 : 767,429.51 = 301,459.41 : x
  2. Step 2: Convert to fraction form
    556,107.62/767,429.51 = 301,459.41/x
  3. Step 3: Cross multiply
    556,107.62x = 767,429.51 × 301,459.41
  4. Step 4: Simplify right side
    556,107.62x = 231,348,845,793.89
  5. Step 5: Solve for x
    x = 231,348,845,793.89/556,107.62
  6. Step 6: Final answer
    x = 416,014.53

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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.