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Finding the Fourth Proportional to 706,903.65, 975,497.91 and 384,615.03

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Solution

The fourth proportional to 706,903.65, 975,497.91 and 384,615.03 is: 530,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,903.65 : 975,497.91 = 384,615.03 : x
  2. Step 2: Convert to fraction form
    706,903.65/975,497.91 = 384,615.03/x
  3. Step 3: Cross multiply
    706,903.65x = 975,497.91 × 384,615.03
  4. Step 4: Simplify right side
    706,903.65x = 375,191,157,919.59
  5. Step 5: Solve for x
    x = 375,191,157,919.59/706,903.65
  6. Step 6: Final answer
    x = 530,752.89

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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.