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Finding the Fourth Proportional to 266,290.72, 367,483.68 and 151,563.74

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Solution

The fourth proportional to 266,290.72, 367,483.68 and 151,563.74 is: 209,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,290.72 : 367,483.68 = 151,563.74 : x
  2. Step 2: Convert to fraction form
    266,290.72/367,483.68 = 151,563.74/x
  3. Step 3: Cross multiply
    266,290.72x = 367,483.68 × 151,563.74
  4. Step 4: Simplify right side
    266,290.72x = 55,697,200,929.76
  5. Step 5: Solve for x
    x = 55,697,200,929.76/266,290.72
  6. Step 6: Final answer
    x = 209,159.38

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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.