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Finding the Fourth Proportional to 539,612.94, 744,666.96 and 297,895.84

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Solution

The fourth proportional to 539,612.94, 744,666.96 and 297,895.84 is: 411,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,612.94 : 744,666.96 = 297,895.84 : x
  2. Step 2: Convert to fraction form
    539,612.94/744,666.96 = 297,895.84/x
  3. Step 3: Cross multiply
    539,612.94x = 744,666.96 × 297,895.84
  4. Step 4: Simplify right side
    539,612.94x = 221,833,189,569.45
  5. Step 5: Solve for x
    x = 221,833,189,569.45/539,612.94
  6. Step 6: Final answer
    x = 411,096.87

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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.