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Finding the Fourth Proportional to 704,842.34, 972,683.34 and 382,552.40

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Solution

The fourth proportional to 704,842.34, 972,683.34 and 382,552.40 is: 527,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,842.34 : 972,683.34 = 382,552.40 : x
  2. Step 2: Convert to fraction form
    704,842.34/972,683.34 = 382,552.40/x
  3. Step 3: Cross multiply
    704,842.34x = 972,683.34 × 382,552.40
  4. Step 4: Simplify right side
    704,842.34x = 372,102,346,157.02
  5. Step 5: Solve for x
    x = 372,102,346,157.02/704,842.34
  6. Step 6: Final answer
    x = 527,922.81

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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.