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Finding the Fourth Proportional to 456,669.60, 630,203.16 and 255,465.60

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Solution

The fourth proportional to 456,669.60, 630,203.16 and 255,465.60 is: 352,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,669.60 : 630,203.16 = 255,465.60 : x
  2. Step 2: Convert to fraction form
    456,669.60/630,203.16 = 255,465.60/x
  3. Step 3: Cross multiply
    456,669.60x = 630,203.16 × 255,465.60
  4. Step 4: Simplify right side
    456,669.60x = 160,995,228,391.30
  5. Step 5: Solve for x
    x = 160,995,228,391.30/456,669.60
  6. Step 6: Final answer
    x = 352,542.03

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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.