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Finding the Fourth Proportional to 526,390.74, 725,566.08 and 411,466.32

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Solution

The fourth proportional to 526,390.74, 725,566.08 and 411,466.32 is: 567,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,390.74 : 725,566.08 = 411,466.32 : x
  2. Step 2: Convert to fraction form
    526,390.74/725,566.08 = 411,466.32/x
  3. Step 3: Cross multiply
    526,390.74x = 725,566.08 × 411,466.32
  4. Step 4: Simplify right side
    526,390.74x = 298,546,004,854.43
  5. Step 5: Solve for x
    x = 298,546,004,854.43/526,390.74
  6. Step 6: Final answer
    x = 567,156.64

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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.