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Finding the Fourth Proportional to 575,428.90, 804,550.70 and 575,428.90

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Solution

The fourth proportional to 575,428.90, 804,550.70 and 575,428.90 is: 804,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,428.90 : 804,550.70 = 575,428.90 : x
  2. Step 2: Convert to fraction form
    575,428.90/804,550.70 = 575,428.90/x
  3. Step 3: Cross multiply
    575,428.90x = 804,550.70 × 575,428.90
  4. Step 4: Simplify right side
    575,428.90x = 462,961,724,295.23
  5. Step 5: Solve for x
    x = 462,961,724,295.23/575,428.90
  6. Step 6: Final answer
    x = 804,550.70

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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.