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Finding the Fourth Proportional to 301,211.74, 415,666.02 and 167,075.74

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Solution

The fourth proportional to 301,211.74, 415,666.02 and 167,075.74 is: 230,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,211.74 : 415,666.02 = 167,075.74 : x
  2. Step 2: Convert to fraction form
    301,211.74/415,666.02 = 167,075.74/x
  3. Step 3: Cross multiply
    301,211.74x = 415,666.02 × 167,075.74
  4. Step 4: Simplify right side
    301,211.74x = 69,447,707,884.35
  5. Step 5: Solve for x
    x = 69,447,707,884.35/301,211.74
  6. Step 6: Final answer
    x = 230,561.09

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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.