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Finding the Fourth Proportional to 648,933.60, 895,563.36 and 362,460

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Solution

The fourth proportional to 648,933.60, 895,563.36 and 362,460 is: 500,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,933.60 : 895,563.36 = 362,460 : x
  2. Step 2: Convert to fraction form
    648,933.60/895,563.36 = 362,460/x
  3. Step 3: Cross multiply
    648,933.60x = 895,563.36 × 362,460
  4. Step 4: Simplify right side
    648,933.60x = 324,605,895,465.60
  5. Step 5: Solve for x
    x = 324,605,895,465.60/648,933.60
  6. Step 6: Final answer
    x = 500,214.34

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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.