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Finding the Fourth Proportional to 539,252.88, 808,898.76 and 202,259.40

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Solution

The fourth proportional to 539,252.88, 808,898.76 and 202,259.40 is: 303,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,252.88 : 808,898.76 = 202,259.40 : x
  2. Step 2: Convert to fraction form
    539,252.88/808,898.76 = 202,259.40/x
  3. Step 3: Cross multiply
    539,252.88x = 808,898.76 × 202,259.40
  4. Step 4: Simplify right side
    539,252.88x = 163,607,377,858.34
  5. Step 5: Solve for x
    x = 163,607,377,858.34/539,252.88
  6. Step 6: Final answer
    x = 303,396.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.