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Finding the Fourth Proportional to 701,519.76, 968,270.40 and 429,538.32

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Solution

The fourth proportional to 701,519.76, 968,270.40 and 429,538.32 is: 592,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,519.76 : 968,270.40 = 429,538.32 : x
  2. Step 2: Convert to fraction form
    701,519.76/968,270.40 = 429,538.32/x
  3. Step 3: Cross multiply
    701,519.76x = 968,270.40 × 429,538.32
  4. Step 4: Simplify right side
    701,519.76x = 415,909,240,921.73
  5. Step 5: Solve for x
    x = 415,909,240,921.73/701,519.76
  6. Step 6: Final answer
    x = 592,868.89

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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.