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Finding the Fourth Proportional to 628,514,902.70, 942,772,354.05 and 628,514,902.70

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Solution

The fourth proportional to 628,514,902.70, 942,772,354.05 and 628,514,902.70 is: 942,772,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,514,902.70 : 942,772,354.05 = 628,514,902.70 : x
  2. Step 2: Convert to fraction form
    628,514,902.70/942,772,354.05 = 628,514,902.70/x
  3. Step 3: Cross multiply
    628,514,902.70x = 942,772,354.05 × 628,514,902.70
  4. Step 4: Simplify right side
    628,514,902.70x = 592,546,474,373,985,664
  5. Step 5: Solve for x
    x = 592,546,474,373,985,664/628,514,902.70
  6. Step 6: Final answer
    x = 942,772,354.05

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Double scale
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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.