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Finding the Fourth Proportional to 360,710,442.50, 497,781,366.72 and 195,698,012

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Solution

The fourth proportional to 360,710,442.50, 497,781,366.72 and 195,698,012 is: 270,063,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,710,442.50 : 497,781,366.72 = 195,698,012 : x
  2. Step 2: Convert to fraction form
    360,710,442.50/497,781,366.72 = 195,698,012/x
  3. Step 3: Cross multiply
    360,710,442.50x = 497,781,366.72 × 195,698,012
  4. Step 4: Simplify right side
    360,710,442.50x = 97,414,823,877,746,960
  5. Step 5: Solve for x
    x = 97,414,823,877,746,960/360,710,442.50
  6. Step 6: Final answer
    x = 270,063,775.26

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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.