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Finding the Fourth Proportional to 476,444.79, 657,494.94 and 261,598.64

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Solution

The fourth proportional to 476,444.79, 657,494.94 and 261,598.64 is: 361,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,444.79 : 657,494.94 = 261,598.64 : x
  2. Step 2: Convert to fraction form
    476,444.79/657,494.94 = 261,598.64/x
  3. Step 3: Cross multiply
    476,444.79x = 657,494.94 × 261,598.64
  4. Step 4: Simplify right side
    476,444.79x = 171,999,778,823.41
  5. Step 5: Solve for x
    x = 171,999,778,823.41/476,444.79
  6. Step 6: Final answer
    x = 361,006.74

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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.