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Finding the Fourth Proportional to 364,000.04, 502,321.74 and 211,128.74

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Solution

The fourth proportional to 364,000.04, 502,321.74 and 211,128.74 is: 291,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,000.04 : 502,321.74 = 211,128.74 : x
  2. Step 2: Convert to fraction form
    364,000.04/502,321.74 = 211,128.74/x
  3. Step 3: Cross multiply
    364,000.04x = 502,321.74 × 211,128.74
  4. Step 4: Simplify right side
    364,000.04x = 106,054,556,040.81
  5. Step 5: Solve for x
    x = 106,054,556,040.81/364,000.04
  6. Step 6: Final answer
    x = 291,358.64

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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.