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Finding the Fourth Proportional to 435,657,490.05, 611,451,036.15 and 435,657,490.05

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Solution

The fourth proportional to 435,657,490.05, 611,451,036.15 and 435,657,490.05 is: 611,451,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,657,490.05 : 611,451,036.15 = 435,657,490.05 : x
  2. Step 2: Convert to fraction form
    435,657,490.05/611,451,036.15 = 435,657,490.05/x
  3. Step 3: Cross multiply
    435,657,490.05x = 611,451,036.15 × 435,657,490.05
  4. Step 4: Simplify right side
    435,657,490.05x = 266,383,223,697,580,800
  5. Step 5: Solve for x
    x = 266,383,223,697,580,800/435,657,490.05
  6. Step 6: Final answer
    x = 611,451,036.15

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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.