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Finding the Fourth Proportional to 526,915.59, 727,135.48 and 294,345.57

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Solution

The fourth proportional to 526,915.59, 727,135.48 and 294,345.57 is: 406,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,915.59 : 727,135.48 = 294,345.57 : x
  2. Step 2: Convert to fraction form
    526,915.59/727,135.48 = 294,345.57/x
  3. Step 3: Cross multiply
    526,915.59x = 727,135.48 × 294,345.57
  4. Step 4: Simplify right side
    526,915.59x = 214,029,107,327.82
  5. Step 5: Solve for x
    x = 214,029,107,327.82/526,915.59
  6. Step 6: Final answer
    x = 406,192.40

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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.