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Finding the Fourth Proportional to 586,601.64, 809,503.74 and 328,480.92

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Solution

The fourth proportional to 586,601.64, 809,503.74 and 328,480.92 is: 453,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,601.64 : 809,503.74 = 328,480.92 : x
  2. Step 2: Convert to fraction form
    586,601.64/809,503.74 = 328,480.92/x
  3. Step 3: Cross multiply
    586,601.64x = 809,503.74 × 328,480.92
  4. Step 4: Simplify right side
    586,601.64x = 265,906,533,258.64
  5. Step 5: Solve for x
    x = 265,906,533,258.64/586,601.64
  6. Step 6: Final answer
    x = 453,300.02

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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.