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Finding the Fourth Proportional to 553,872.27, 832,542.81 and 365,543.01

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Solution

The fourth proportional to 553,872.27, 832,542.81 and 365,543.01 is: 549,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,872.27 : 832,542.81 = 365,543.01 : x
  2. Step 2: Convert to fraction form
    553,872.27/832,542.81 = 365,543.01/x
  3. Step 3: Cross multiply
    553,872.27x = 832,542.81 × 365,543.01
  4. Step 4: Simplify right side
    553,872.27x = 304,330,204,721.26
  5. Step 5: Solve for x
    x = 304,330,204,721.26/553,872.27
  6. Step 6: Final answer
    x = 549,459.18

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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.