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Finding the Fourth Proportional to 556,064.69, 767,348.69 and 301,410.41

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Solution

The fourth proportional to 556,064.69, 767,348.69 and 301,410.41 is: 415,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,064.69 : 767,348.69 = 301,410.41 : x
  2. Step 2: Convert to fraction form
    556,064.69/767,348.69 = 301,410.41/x
  3. Step 3: Cross multiply
    556,064.69x = 767,348.69 × 301,410.41
  4. Step 4: Simplify right side
    556,064.69x = 231,286,877,922.07
  5. Step 5: Solve for x
    x = 231,286,877,922.07/556,064.69
  6. Step 6: Final answer
    x = 415,935.20

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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.