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Finding the Fourth Proportional to 706,925.42, 975,527.84 and 384,636.76

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Solution

The fourth proportional to 706,925.42, 975,527.84 and 384,636.76 is: 530,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,925.42 : 975,527.84 = 384,636.76 : x
  2. Step 2: Convert to fraction form
    706,925.42/975,527.84 = 384,636.76/x
  3. Step 3: Cross multiply
    706,925.42x = 975,527.84 × 384,636.76
  4. Step 4: Simplify right side
    706,925.42x = 375,223,867,667.40
  5. Step 5: Solve for x
    x = 375,223,867,667.40/706,925.42
  6. Step 6: Final answer
    x = 530,782.82

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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.