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Finding the Fourth Proportional to 429,415.56, 592,620.30 and 248,160.60

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Solution

The fourth proportional to 429,415.56, 592,620.30 and 248,160.60 is: 342,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,415.56 : 592,620.30 = 248,160.60 : x
  2. Step 2: Convert to fraction form
    429,415.56/592,620.30 = 248,160.60/x
  3. Step 3: Cross multiply
    429,415.56x = 592,620.30 × 248,160.60
  4. Step 4: Simplify right side
    429,415.56x = 147,065,009,220.18
  5. Step 5: Solve for x
    x = 147,065,009,220.18/429,415.56
  6. Step 6: Final answer
    x = 342,477.13

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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.