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Finding the Fourth Proportional to 561,203.10, 841,804.65 and 561,203.10

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Solution

The fourth proportional to 561,203.10, 841,804.65 and 561,203.10 is: 841,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,203.10 : 841,804.65 = 561,203.10 : x
  2. Step 2: Convert to fraction form
    561,203.10/841,804.65 = 561,203.10/x
  3. Step 3: Cross multiply
    561,203.10x = 841,804.65 × 561,203.10
  4. Step 4: Simplify right side
    561,203.10x = 472,423,379,174.42
  5. Step 5: Solve for x
    x = 472,423,379,174.42/561,203.10
  6. Step 6: Final answer
    x = 841,804.65

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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.