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Finding the Fourth Proportional to 570,004.29, 786,550.91 and 315,350.01

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Solution

The fourth proportional to 570,004.29, 786,550.91 and 315,350.01 is: 435,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,004.29 : 786,550.91 = 315,350.01 : x
  2. Step 2: Convert to fraction form
    570,004.29/786,550.91 = 315,350.01/x
  3. Step 3: Cross multiply
    570,004.29x = 786,550.91 × 315,350.01
  4. Step 4: Simplify right side
    570,004.29x = 248,038,835,757.26
  5. Step 5: Solve for x
    x = 248,038,835,757.26/570,004.29
  6. Step 6: Final answer
    x = 435,152.58

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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.