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Finding the Fourth Proportional to 592,212.80, 885,727.20 and 529,486.40

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Solution

The fourth proportional to 592,212.80, 885,727.20 and 529,486.40 is: 791,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,212.80 : 885,727.20 = 529,486.40 : x
  2. Step 2: Convert to fraction form
    592,212.80/885,727.20 = 529,486.40/x
  3. Step 3: Cross multiply
    592,212.80x = 885,727.20 × 529,486.40
  4. Step 4: Simplify right side
    592,212.80x = 468,980,506,510.08
  5. Step 5: Solve for x
    x = 468,980,506,510.08/592,212.80
  6. Step 6: Final answer
    x = 791,912.14

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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.