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Finding the Fourth Proportional to 604,989,000.30, 907,483,500.45 and 484,056,648.30

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Solution

The fourth proportional to 604,989,000.30, 907,483,500.45 and 484,056,648.30 is: 726,084,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,989,000.30 : 907,483,500.45 = 484,056,648.30 : x
  2. Step 2: Convert to fraction form
    604,989,000.30/907,483,500.45 = 484,056,648.30/x
  3. Step 3: Cross multiply
    604,989,000.30x = 907,483,500.45 × 484,056,648.30
  4. Step 4: Simplify right side
    604,989,000.30x = 439,273,421,615,378,560
  5. Step 5: Solve for x
    x = 439,273,421,615,378,560/604,989,000.30
  6. Step 6: Final answer
    x = 726,084,972.45

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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.