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Finding the Fourth Proportional to 429,533.60, 592,334.48 and 395,628.96

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Solution

The fourth proportional to 429,533.60, 592,334.48 and 395,628.96 is: 545,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,533.60 : 592,334.48 = 395,628.96 : x
  2. Step 2: Convert to fraction form
    429,533.60/592,334.48 = 395,628.96/x
  3. Step 3: Cross multiply
    429,533.60x = 592,334.48 × 395,628.96
  4. Step 4: Simplify right side
    429,533.60x = 234,344,674,294.54
  5. Step 5: Solve for x
    x = 234,344,674,294.54/429,533.60
  6. Step 6: Final answer
    x = 545,579.38

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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.