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Finding the Fourth Proportional to 568,292.04, 784,237.68 and 313,637.76

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Solution

The fourth proportional to 568,292.04, 784,237.68 and 313,637.76 is: 432,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,292.04 : 784,237.68 = 313,637.76 : x
  2. Step 2: Convert to fraction form
    568,292.04/784,237.68 = 313,637.76/x
  3. Step 3: Cross multiply
    568,292.04x = 784,237.68 × 313,637.76
  4. Step 4: Simplify right side
    568,292.04x = 245,966,549,262.80
  5. Step 5: Solve for x
    x = 245,966,549,262.80/568,292.04
  6. Step 6: Final answer
    x = 432,817.16

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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.