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Finding the Fourth Proportional to 613,262.10, 920,877.30 and 463,671.30

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Solution

The fourth proportional to 613,262.10, 920,877.30 and 463,671.30 is: 696,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,262.10 : 920,877.30 = 463,671.30 : x
  2. Step 2: Convert to fraction form
    613,262.10/920,877.30 = 463,671.30/x
  3. Step 3: Cross multiply
    613,262.10x = 920,877.30 × 463,671.30
  4. Step 4: Simplify right side
    613,262.10x = 426,984,374,831.49
  5. Step 5: Solve for x
    x = 426,984,374,831.49/613,262.10
  6. Step 6: Final answer
    x = 696,251.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.