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Finding the Fourth Proportional to 480,258.30, 662,894.94 and 317,034.30

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Solution

The fourth proportional to 480,258.30, 662,894.94 and 317,034.30 is: 437,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,258.30 : 662,894.94 = 317,034.30 : x
  2. Step 2: Convert to fraction form
    480,258.30/662,894.94 = 317,034.30/x
  3. Step 3: Cross multiply
    480,258.30x = 662,894.94 × 317,034.30
  4. Step 4: Simplify right side
    480,258.30x = 210,160,433,276.44
  5. Step 5: Solve for x
    x = 210,160,433,276.44/480,258.30
  6. Step 6: Final answer
    x = 437,598.75

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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.