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Finding the Fourth Proportional to 586,592.24, 809,497.26 and 318,320.24

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Solution

The fourth proportional to 586,592.24, 809,497.26 and 318,320.24 is: 439,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,592.24 : 809,497.26 = 318,320.24 : x
  2. Step 2: Convert to fraction form
    586,592.24/809,497.26 = 318,320.24/x
  3. Step 3: Cross multiply
    586,592.24x = 809,497.26 × 318,320.24
  4. Step 4: Simplify right side
    586,592.24x = 257,679,362,082.54
  5. Step 5: Solve for x
    x = 257,679,362,082.54/586,592.24
  6. Step 6: Final answer
    x = 439,281.91

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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.