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Finding the Fourth Proportional to 623,005, 859,747.22 and 336,525.08

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Solution

The fourth proportional to 623,005, 859,747.22 and 336,525.08 is: 464,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,005 : 859,747.22 = 336,525.08 : x
  2. Step 2: Convert to fraction form
    623,005/859,747.22 = 336,525.08/x
  3. Step 3: Cross multiply
    623,005x = 859,747.22 × 336,525.08
  4. Step 4: Simplify right side
    623,005x = 289,326,501,990.28
  5. Step 5: Solve for x
    x = 289,326,501,990.28/623,005
  6. Step 6: Final answer
    x = 464,404.78

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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.