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Finding the Fourth Proportional to 417,325.95, 575,281.89 and 326,524.25

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Solution

The fourth proportional to 417,325.95, 575,281.89 and 326,524.25 is: 450,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,325.95 : 575,281.89 = 326,524.25 : x
  2. Step 2: Convert to fraction form
    417,325.95/575,281.89 = 326,524.25/x
  3. Step 3: Cross multiply
    417,325.95x = 575,281.89 × 326,524.25
  4. Step 4: Simplify right side
    417,325.95x = 187,843,484,794.42
  5. Step 5: Solve for x
    x = 187,843,484,794.42/417,325.95
  6. Step 6: Final answer
    x = 450,112.16

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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.