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Finding the Fourth Proportional to 581,036.48, 801,911.04 and 326,407.04

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Solution

The fourth proportional to 581,036.48, 801,911.04 and 326,407.04 is: 450,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,036.48 : 801,911.04 = 326,407.04 : x
  2. Step 2: Convert to fraction form
    581,036.48/801,911.04 = 326,407.04/x
  3. Step 3: Cross multiply
    581,036.48x = 801,911.04 × 326,407.04
  4. Step 4: Simplify right side
    581,036.48x = 261,749,408,909.72
  5. Step 5: Solve for x
    x = 261,749,408,909.72/581,036.48
  6. Step 6: Final answer
    x = 450,487.05

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1.5x scale

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.