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Finding the Fourth Proportional to 423,804.54, 584,847.48 and 230,210.49

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Solution

The fourth proportional to 423,804.54, 584,847.48 and 230,210.49 is: 317,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,804.54 : 584,847.48 = 230,210.49 : x
  2. Step 2: Convert to fraction form
    423,804.54/584,847.48 = 230,210.49/x
  3. Step 3: Cross multiply
    423,804.54x = 584,847.48 × 230,210.49
  4. Step 4: Simplify right side
    423,804.54x = 134,638,022,021.83
  5. Step 5: Solve for x
    x = 134,638,022,021.83/423,804.54
  6. Step 6: Final answer
    x = 317,688.96

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1.5x scale

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.