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Finding the Fourth Proportional to 628,854,037.65, 943,281,056.48 and 628,854,037.65

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Solution

The fourth proportional to 628,854,037.65, 943,281,056.48 and 628,854,037.65 is: 943,281,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,854,037.65 : 943,281,056.48 = 628,854,037.65 : x
  2. Step 2: Convert to fraction form
    628,854,037.65/943,281,056.48 = 628,854,037.65/x
  3. Step 3: Cross multiply
    628,854,037.65x = 943,281,056.48 × 628,854,037.65
  4. Step 4: Simplify right side
    628,854,037.65x = 593,186,101,003,061,376
  5. Step 5: Solve for x
    x = 593,186,101,003,061,376/628,854,037.65
  6. Step 6: Final answer
    x = 943,281,056.48

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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.