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Finding the Fourth Proportional to 423,044,356.70, 634,566,535.05 and 423,044,356.70

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Solution

The fourth proportional to 423,044,356.70, 634,566,535.05 and 423,044,356.70 is: 634,566,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,044,356.70 : 634,566,535.05 = 423,044,356.70 : x
  2. Step 2: Convert to fraction form
    423,044,356.70/634,566,535.05 = 423,044,356.70/x
  3. Step 3: Cross multiply
    423,044,356.70x = 634,566,535.05 × 423,044,356.70
  4. Step 4: Simplify right side
    423,044,356.70x = 268,449,791,603,575,232
  5. Step 5: Solve for x
    x = 268,449,791,603,575,232/423,044,356.70
  6. Step 6: Final answer
    x = 634,566,535.05

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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.