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Finding the Fourth Proportional to 529,430.40, 794,145.60 and 503,625.60

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Solution

The fourth proportional to 529,430.40, 794,145.60 and 503,625.60 is: 755,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,430.40 : 794,145.60 = 503,625.60 : x
  2. Step 2: Convert to fraction form
    529,430.40/794,145.60 = 503,625.60/x
  3. Step 3: Cross multiply
    529,430.40x = 794,145.60 × 503,625.60
  4. Step 4: Simplify right side
    529,430.40x = 399,952,054,287.36
  5. Step 5: Solve for x
    x = 399,952,054,287.36/529,430.40
  6. Step 6: Final answer
    x = 755,438.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.