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Finding the Fourth Proportional to 634,566, 875,685.06 and 362,616.60

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Solution

The fourth proportional to 634,566, 875,685.06 and 362,616.60 is: 500,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,566 : 875,685.06 = 362,616.60 : x
  2. Step 2: Convert to fraction form
    634,566/875,685.06 = 362,616.60/x
  3. Step 3: Cross multiply
    634,566x = 875,685.06 × 362,616.60
  4. Step 4: Simplify right side
    634,566x = 317,537,939,128.00
  5. Step 5: Solve for x
    x = 317,537,939,128.00/634,566
  6. Step 6: Final answer
    x = 500,401.75

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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.