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Finding the Fourth Proportional to 410,164.45, 572,830.55 and 410,164.45

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Solution

The fourth proportional to 410,164.45, 572,830.55 and 410,164.45 is: 572,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,164.45 : 572,830.55 = 410,164.45 : x
  2. Step 2: Convert to fraction form
    410,164.45/572,830.55 = 410,164.45/x
  3. Step 3: Cross multiply
    410,164.45x = 572,830.55 × 410,164.45
  4. Step 4: Simplify right side
    410,164.45x = 234,954,727,483.95
  5. Step 5: Solve for x
    x = 234,954,727,483.95/410,164.45
  6. Step 6: Final answer
    x = 572,830.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.