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Finding the Fourth Proportional to 586,592.48, 809,497.61 and 318,320.48

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Solution

The fourth proportional to 586,592.48, 809,497.61 and 318,320.48 is: 439,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,592.48 : 809,497.61 = 318,320.48 : x
  2. Step 2: Convert to fraction form
    586,592.48/809,497.61 = 318,320.48/x
  3. Step 3: Cross multiply
    586,592.48x = 809,497.61 × 318,320.48
  4. Step 4: Simplify right side
    586,592.48x = 257,679,667,774.05
  5. Step 5: Solve for x
    x = 257,679,667,774.05/586,592.48
  6. Step 6: Final answer
    x = 439,282.26

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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.