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Finding the Fourth Proportional to 576,130.10, 804,715.90 and 576,130.10

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Solution

The fourth proportional to 576,130.10, 804,715.90 and 576,130.10 is: 804,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,130.10 : 804,715.90 = 576,130.10 : x
  2. Step 2: Convert to fraction form
    576,130.10/804,715.90 = 576,130.10/x
  3. Step 3: Cross multiply
    576,130.10x = 804,715.90 × 576,130.10
  4. Step 4: Simplify right side
    576,130.10x = 463,621,051,938.59
  5. Step 5: Solve for x
    x = 463,621,051,938.59/576,130.10
  6. Step 6: Final answer
    x = 804,715.90

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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.