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Finding the Fourth Proportional to 510,382,401.60, 765,573,602.40 and 237,780,724.80

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Solution

The fourth proportional to 510,382,401.60, 765,573,602.40 and 237,780,724.80 is: 356,671,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,382,401.60 : 765,573,602.40 = 237,780,724.80 : x
  2. Step 2: Convert to fraction form
    510,382,401.60/765,573,602.40 = 237,780,724.80/x
  3. Step 3: Cross multiply
    510,382,401.60x = 765,573,602.40 × 237,780,724.80
  4. Step 4: Simplify right side
    510,382,401.60x = 182,038,646,066,419,008
  5. Step 5: Solve for x
    x = 182,038,646,066,419,008/510,382,401.60
  6. Step 6: Final answer
    x = 356,671,087.20

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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.