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Finding the Fourth Proportional to 623,375.01, 859,858.61 and 432,318.69

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Solution

The fourth proportional to 623,375.01, 859,858.61 and 432,318.69 is: 596,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,375.01 : 859,858.61 = 432,318.69 : x
  2. Step 2: Convert to fraction form
    623,375.01/859,858.61 = 432,318.69/x
  3. Step 3: Cross multiply
    623,375.01x = 859,858.61 × 432,318.69
  4. Step 4: Simplify right side
    623,375.01x = 371,732,945,698.83
  5. Step 5: Solve for x
    x = 371,732,945,698.83/623,375.01
  6. Step 6: Final answer
    x = 596,323.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.