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Finding the Fourth Proportional to 579,681.84, 799,592.76 and 418,773.36

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Solution

The fourth proportional to 579,681.84, 799,592.76 and 418,773.36 is: 577,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,681.84 : 799,592.76 = 418,773.36 : x
  2. Step 2: Convert to fraction form
    579,681.84/799,592.76 = 418,773.36/x
  3. Step 3: Cross multiply
    579,681.84x = 799,592.76 × 418,773.36
  4. Step 4: Simplify right side
    579,681.84x = 334,848,146,736.87
  5. Step 5: Solve for x
    x = 334,848,146,736.87/579,681.84
  6. Step 6: Final answer
    x = 577,641.26

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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.