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Finding the Fourth Proportional to 623,006, 859,748.60 and 336,526.08

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Solution

The fourth proportional to 623,006, 859,748.60 and 336,526.08 is: 464,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,006 : 859,748.60 = 336,526.08 : x
  2. Step 2: Convert to fraction form
    623,006/859,748.60 = 336,526.08/x
  3. Step 3: Cross multiply
    623,006x = 859,748.60 × 336,526.08
  4. Step 4: Simplify right side
    623,006x = 289,327,826,143.49
  5. Step 5: Solve for x
    x = 289,327,826,143.49/623,006
  6. Step 6: Final answer
    x = 464,406.16

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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.