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Finding the Fourth Proportional to 706,875.11, 975,491.88 and 384,587.51

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Solution

The fourth proportional to 706,875.11, 975,491.88 and 384,587.51 is: 530,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,875.11 : 975,491.88 = 384,587.51 : x
  2. Step 2: Convert to fraction form
    706,875.11/975,491.88 = 384,587.51/x
  3. Step 3: Cross multiply
    706,875.11x = 975,491.88 × 384,587.51
  4. Step 4: Simplify right side
    706,875.11x = 375,161,986,834.76
  5. Step 5: Solve for x
    x = 375,161,986,834.76/706,875.11
  6. Step 6: Final answer
    x = 530,733.06

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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.