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Finding the Fourth Proportional to 586,595.24, 809,501.40 and 318,323.24

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Solution

The fourth proportional to 586,595.24, 809,501.40 and 318,323.24 is: 439,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,595.24 : 809,501.40 = 318,323.24 : x
  2. Step 2: Convert to fraction form
    586,595.24/809,501.40 = 318,323.24/x
  3. Step 3: Cross multiply
    586,595.24x = 809,501.40 × 318,323.24
  4. Step 4: Simplify right side
    586,595.24x = 257,683,108,432.54
  5. Step 5: Solve for x
    x = 257,683,108,432.54/586,595.24
  6. Step 6: Final answer
    x = 439,286.05

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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.