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Finding the Fourth Proportional to 461,750.64, 637,225.84 and 255,018.40

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Solution

The fourth proportional to 461,750.64, 637,225.84 and 255,018.40 is: 351,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,750.64 : 637,225.84 = 255,018.40 : x
  2. Step 2: Convert to fraction form
    461,750.64/637,225.84 = 255,018.40/x
  3. Step 3: Cross multiply
    461,750.64x = 637,225.84 × 255,018.40
  4. Step 4: Simplify right side
    461,750.64x = 162,504,314,155.46
  5. Step 5: Solve for x
    x = 162,504,314,155.46/461,750.64
  6. Step 6: Final answer
    x = 351,930.89

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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.