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Finding the Fourth Proportional to 456,801.09, 630,240.59 and 265,777.58

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Solution

The fourth proportional to 456,801.09, 630,240.59 and 265,777.58 is: 366,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,801.09 : 630,240.59 = 265,777.58 : x
  2. Step 2: Convert to fraction form
    456,801.09/630,240.59 = 265,777.58/x
  3. Step 3: Cross multiply
    456,801.09x = 630,240.59 × 265,777.58
  4. Step 4: Simplify right side
    456,801.09x = 167,503,818,827.97
  5. Step 5: Solve for x
    x = 167,503,818,827.97/456,801.09
  6. Step 6: Final answer
    x = 366,688.75

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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.