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Finding the Fourth Proportional to 461,016.60, 635,928.74 and 358,880.40

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Solution

The fourth proportional to 461,016.60, 635,928.74 and 358,880.40 is: 495,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,016.60 : 635,928.74 = 358,880.40 : x
  2. Step 2: Convert to fraction form
    461,016.60/635,928.74 = 358,880.40/x
  3. Step 3: Cross multiply
    461,016.60x = 635,928.74 × 358,880.40
  4. Step 4: Simplify right side
    461,016.60x = 228,222,360,582.70
  5. Step 5: Solve for x
    x = 228,222,360,582.70/461,016.60
  6. Step 6: Final answer
    x = 495,041.52

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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.