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Finding the Fourth Proportional to 626,476.02, 939,714.03 and 153,155.76

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Solution

The fourth proportional to 626,476.02, 939,714.03 and 153,155.76 is: 229,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,476.02 : 939,714.03 = 153,155.76 : x
  2. Step 2: Convert to fraction form
    626,476.02/939,714.03 = 153,155.76/x
  3. Step 3: Cross multiply
    626,476.02x = 939,714.03 × 153,155.76
  4. Step 4: Simplify right side
    626,476.02x = 143,922,616,447.31
  5. Step 5: Solve for x
    x = 143,922,616,447.31/626,476.02
  6. Step 6: Final answer
    x = 229,733.64

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Double scale
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Similar ratio
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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.