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Finding the Fourth Proportional to 539,636.96, 744,699.95 and 297,919.93

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Solution

The fourth proportional to 539,636.96, 744,699.95 and 297,919.93 is: 411,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,636.96 : 744,699.95 = 297,919.93 : x
  2. Step 2: Convert to fraction form
    539,636.96/744,699.95 = 297,919.93/x
  3. Step 3: Cross multiply
    539,636.96x = 744,699.95 × 297,919.93
  4. Step 4: Simplify right side
    539,636.96x = 221,860,953,251.50
  5. Step 5: Solve for x
    x = 221,860,953,251.50/539,636.96
  6. Step 6: Final answer
    x = 411,130.02

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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.