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Finding the Fourth Proportional to 607,620.81, 910,575.54 and 464,913.57

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Solution

The fourth proportional to 607,620.81, 910,575.54 and 464,913.57 is: 696,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,620.81 : 910,575.54 = 464,913.57 : x
  2. Step 2: Convert to fraction form
    607,620.81/910,575.54 = 464,913.57/x
  3. Step 3: Cross multiply
    607,620.81x = 910,575.54 × 464,913.57
  4. Step 4: Simplify right side
    607,620.81x = 423,338,925,056.08
  5. Step 5: Solve for x
    x = 423,338,925,056.08/607,620.81
  6. Step 6: Final answer
    x = 696,715.65

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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.