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Finding the Fourth Proportional to 522,492.67, 721,030.48 and 293,050.40

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Solution

The fourth proportional to 522,492.67, 721,030.48 and 293,050.40 is: 404,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,492.67 : 721,030.48 = 293,050.40 : x
  2. Step 2: Convert to fraction form
    522,492.67/721,030.48 = 293,050.40/x
  3. Step 3: Cross multiply
    522,492.67x = 721,030.48 × 293,050.40
  4. Step 4: Simplify right side
    522,492.67x = 211,298,270,576.19
  5. Step 5: Solve for x
    x = 211,298,270,576.19/522,492.67
  6. Step 6: Final answer
    x = 404,404.28

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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.