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Finding the Fourth Proportional to 539,066.58, 808,363.05 and 201,870.74

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Solution

The fourth proportional to 539,066.58, 808,363.05 and 201,870.74 is: 302,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.58 : 808,363.05 = 201,870.74 : x
  2. Step 2: Convert to fraction form
    539,066.58/808,363.05 = 201,870.74/x
  3. Step 3: Cross multiply
    539,066.58x = 808,363.05 × 201,870.74
  4. Step 4: Simplify right side
    539,066.58x = 163,184,843,050.34
  5. Step 5: Solve for x
    x = 163,184,843,050.34/539,066.58
  6. Step 6: Final answer
    x = 302,717.42

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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.