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Finding the Fourth Proportional to 533,354.18, 736,214.10 and 307,089.86

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Solution

The fourth proportional to 533,354.18, 736,214.10 and 307,089.86 is: 423,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,354.18 : 736,214.10 = 307,089.86 : x
  2. Step 2: Convert to fraction form
    533,354.18/736,214.10 = 307,089.86/x
  3. Step 3: Cross multiply
    533,354.18x = 736,214.10 × 307,089.86
  4. Step 4: Simplify right side
    533,354.18x = 226,083,884,899.03
  5. Step 5: Solve for x
    x = 226,083,884,899.03/533,354.18
  6. Step 6: Final answer
    x = 423,890.72

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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.