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Finding the Fourth Proportional to 704,784.33, 972,602.88 and 382,494.31

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Solution

The fourth proportional to 704,784.33, 972,602.88 and 382,494.31 is: 527,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,784.33 : 972,602.88 = 382,494.31 : x
  2. Step 2: Convert to fraction form
    704,784.33/972,602.88 = 382,494.31/x
  3. Step 3: Cross multiply
    704,784.33x = 972,602.88 × 382,494.31
  4. Step 4: Simplify right side
    704,784.33x = 372,015,063,623.75
  5. Step 5: Solve for x
    x = 372,015,063,623.75/704,784.33
  6. Step 6: Final answer
    x = 527,842.42

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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.