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Finding the Fourth Proportional to 301,988,547.26, 416,737,661.04 and 174,834,586.98

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Solution

The fourth proportional to 301,988,547.26, 416,737,661.04 and 174,834,586.98 is: 241,267,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988,547.26 : 416,737,661.04 = 174,834,586.98 : x
  2. Step 2: Convert to fraction form
    301,988,547.26/416,737,661.04 = 174,834,586.98/x
  3. Step 3: Cross multiply
    301,988,547.26x = 416,737,661.04 × 174,834,586.98
  4. Step 4: Simplify right side
    301,988,547.26x = 72,860,156,846,939,632
  5. Step 5: Solve for x
    x = 72,860,156,846,939,632/301,988,547.26
  6. Step 6: Final answer
    x = 241,267,947.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.