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Finding the Fourth Proportional to 586,957.56, 809,999.63 and 325,329.57

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Solution

The fourth proportional to 586,957.56, 809,999.63 and 325,329.57 is: 448,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,957.56 : 809,999.63 = 325,329.57 : x
  2. Step 2: Convert to fraction form
    586,957.56/809,999.63 = 325,329.57/x
  3. Step 3: Cross multiply
    586,957.56x = 809,999.63 × 325,329.57
  4. Step 4: Simplify right side
    586,957.56x = 263,516,829,701.41
  5. Step 5: Solve for x
    x = 263,516,829,701.41/586,957.56
  6. Step 6: Final answer
    x = 448,953.80

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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.