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Finding the Fourth Proportional to 576,021.60, 804,564 and 576,021.60

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Solution

The fourth proportional to 576,021.60, 804,564 and 576,021.60 is: 804,564

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,021.60 : 804,564 = 576,021.60 : x
  2. Step 2: Convert to fraction form
    576,021.60/804,564 = 576,021.60/x
  3. Step 3: Cross multiply
    576,021.60x = 804,564 × 576,021.60
  4. Step 4: Simplify right side
    576,021.60x = 463,446,242,582.40
  5. Step 5: Solve for x
    x = 463,446,242,582.40/576,021.60
  6. Step 6: Final answer
    x = 804,564

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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.