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Finding the Fourth Proportional to 539,598.94, 744,647.64 and 297,881.83

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Solution

The fourth proportional to 539,598.94, 744,647.64 and 297,881.83 is: 411,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,598.94 : 744,647.64 = 297,881.83 : x
  2. Step 2: Convert to fraction form
    539,598.94/744,647.64 = 297,881.83/x
  3. Step 3: Cross multiply
    539,598.94x = 744,647.64 × 297,881.83
  4. Step 4: Simplify right side
    539,598.94x = 221,817,001,708.38
  5. Step 5: Solve for x
    x = 221,817,001,708.38/539,598.94
  6. Step 6: Final answer
    x = 411,077.53

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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.