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Finding the Fourth Proportional to 418,533.70, 577,550.64 and 234,762.16

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Solution

The fourth proportional to 418,533.70, 577,550.64 and 234,762.16 is: 323,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,533.70 : 577,550.64 = 234,762.16 : x
  2. Step 2: Convert to fraction form
    418,533.70/577,550.64 = 234,762.16/x
  3. Step 3: Cross multiply
    418,533.70x = 577,550.64 × 234,762.16
  4. Step 4: Simplify right side
    418,533.70x = 135,587,035,755.78
  5. Step 5: Solve for x
    x = 135,587,035,755.78/418,533.70
  6. Step 6: Final answer
    x = 323,957.27

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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.