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Finding the Fourth Proportional to 377,703.20, 529,717.60 and 377,703.20

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Solution

The fourth proportional to 377,703.20, 529,717.60 and 377,703.20 is: 529,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,703.20 : 529,717.60 = 377,703.20 : x
  2. Step 2: Convert to fraction form
    377,703.20/529,717.60 = 377,703.20/x
  3. Step 3: Cross multiply
    377,703.20x = 529,717.60 × 377,703.20
  4. Step 4: Simplify right side
    377,703.20x = 200,076,032,616.32
  5. Step 5: Solve for x
    x = 200,076,032,616.32/377,703.20
  6. Step 6: Final answer
    x = 529,717.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.