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Finding the Fourth Proportional to 453,526.40, 680,289.60 and 401,038.40

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Solution

The fourth proportional to 453,526.40, 680,289.60 and 401,038.40 is: 601,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,526.40 : 680,289.60 = 401,038.40 : x
  2. Step 2: Convert to fraction form
    453,526.40/680,289.60 = 401,038.40/x
  3. Step 3: Cross multiply
    453,526.40x = 680,289.60 × 401,038.40
  4. Step 4: Simplify right side
    453,526.40x = 272,822,252,720.64
  5. Step 5: Solve for x
    x = 272,822,252,720.64/453,526.40
  6. Step 6: Final answer
    x = 601,557.60

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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.