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Finding the Fourth Proportional to 549,153.48, 824,312.48 and 486,381.11

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Solution

The fourth proportional to 549,153.48, 824,312.48 and 486,381.11 is: 730,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,153.48 : 824,312.48 = 486,381.11 : x
  2. Step 2: Convert to fraction form
    549,153.48/824,312.48 = 486,381.11/x
  3. Step 3: Cross multiply
    549,153.48x = 824,312.48 × 486,381.11
  4. Step 4: Simplify right side
    549,153.48x = 400,930,012,455.79
  5. Step 5: Solve for x
    x = 400,930,012,455.79/549,153.48
  6. Step 6: Final answer
    x = 730,087.36

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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.