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Finding the Fourth Proportional to 504,566.40, 696,292.71 and 275,125.50

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Solution

The fourth proportional to 504,566.40, 696,292.71 and 275,125.50 is: 379,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,566.40 : 696,292.71 = 275,125.50 : x
  2. Step 2: Convert to fraction form
    504,566.40/696,292.71 = 275,125.50/x
  3. Step 3: Cross multiply
    504,566.40x = 696,292.71 × 275,125.50
  4. Step 4: Simplify right side
    504,566.40x = 191,567,879,985.11
  5. Step 5: Solve for x
    x = 191,567,879,985.11/504,566.40
  6. Step 6: Final answer
    x = 379,668.33

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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.