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Finding the Fourth Proportional to 586,592.73, 809,497.95 and 318,320.73

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Solution

The fourth proportional to 586,592.73, 809,497.95 and 318,320.73 is: 439,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,592.73 : 809,497.95 = 318,320.73 : x
  2. Step 2: Convert to fraction form
    586,592.73/809,497.95 = 318,320.73/x
  3. Step 3: Cross multiply
    586,592.73x = 809,497.95 × 318,320.73
  4. Step 4: Simplify right side
    586,592.73x = 257,679,978,377.50
  5. Step 5: Solve for x
    x = 257,679,978,377.50/586,592.73
  6. Step 6: Final answer
    x = 439,282.60

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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.