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Finding the Fourth Proportional to 704,885.32, 972,715.66 and 382,588.57

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Solution

The fourth proportional to 704,885.32, 972,715.66 and 382,588.57 is: 527,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,885.32 : 972,715.66 = 382,588.57 : x
  2. Step 2: Convert to fraction form
    704,885.32/972,715.66 = 382,588.57/x
  3. Step 3: Cross multiply
    704,885.32x = 972,715.66 × 382,588.57
  4. Step 4: Simplify right side
    704,885.32x = 372,149,893,376.01
  5. Step 5: Solve for x
    x = 372,149,893,376.01/704,885.32
  6. Step 6: Final answer
    x = 527,958.07

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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.