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Finding the Fourth Proportional to 624,046,040.70, 936,069,061.05 and 301,559,768.70

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Solution

The fourth proportional to 624,046,040.70, 936,069,061.05 and 301,559,768.70 is: 452,339,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,046,040.70 : 936,069,061.05 = 301,559,768.70 : x
  2. Step 2: Convert to fraction form
    624,046,040.70/936,069,061.05 = 301,559,768.70/x
  3. Step 3: Cross multiply
    624,046,040.70x = 936,069,061.05 × 301,559,768.70
  4. Step 4: Simplify right side
    624,046,040.70x = 282,280,769,537,464,160
  5. Step 5: Solve for x
    x = 282,280,769,537,464,160/624,046,040.70
  6. Step 6: Final answer
    x = 452,339,653.05

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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.