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Finding the Fourth Proportional to 301,526,221.80, 452,289,332.70 and 270,915,220.20

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Solution

The fourth proportional to 301,526,221.80, 452,289,332.70 and 270,915,220.20 is: 406,372,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,526,221.80 : 452,289,332.70 = 270,915,220.20 : x
  2. Step 2: Convert to fraction form
    301,526,221.80/452,289,332.70 = 270,915,220.20/x
  3. Step 3: Cross multiply
    301,526,221.80x = 452,289,332.70 × 270,915,220.20
  4. Step 4: Simplify right side
    301,526,221.80x = 122,532,064,162,531,552
  5. Step 5: Solve for x
    x = 122,532,064,162,531,552/301,526,221.80
  6. Step 6: Final answer
    x = 406,372,830.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.