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Finding the Fourth Proportional to 539,005.61, 808,646.94 and 202,050.87

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Solution

The fourth proportional to 539,005.61, 808,646.94 and 202,050.87 is: 303,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,005.61 : 808,646.94 = 202,050.87 : x
  2. Step 2: Convert to fraction form
    539,005.61/808,646.94 = 202,050.87/x
  3. Step 3: Cross multiply
    539,005.61x = 808,646.94 × 202,050.87
  4. Step 4: Simplify right side
    539,005.61x = 163,387,817,749.84
  5. Step 5: Solve for x
    x = 163,387,817,749.84/539,005.61
  6. Step 6: Final answer
    x = 303,128.23

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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.