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Finding the Fourth Proportional to 489,307,301.80, 733,960,952.70 and 470,495,602.60

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Solution

The fourth proportional to 489,307,301.80, 733,960,952.70 and 470,495,602.60 is: 705,743,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,307,301.80 : 733,960,952.70 = 470,495,602.60 : x
  2. Step 2: Convert to fraction form
    489,307,301.80/733,960,952.70 = 470,495,602.60/x
  3. Step 3: Cross multiply
    489,307,301.80x = 733,960,952.70 × 470,495,602.60
  4. Step 4: Simplify right side
    489,307,301.80x = 345,325,400,725,456,640
  5. Step 5: Solve for x
    x = 345,325,400,725,456,640/489,307,301.80
  6. Step 6: Final answer
    x = 705,743,403.90

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1.5x scale

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.