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Finding the Fourth Proportional to 706,841.39, 975,445.35 and 384,553.79

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Solution

The fourth proportional to 706,841.39, 975,445.35 and 384,553.79 is: 530,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,841.39 : 975,445.35 = 384,553.79 : x
  2. Step 2: Convert to fraction form
    706,841.39/975,445.35 = 384,553.79/x
  3. Step 3: Cross multiply
    706,841.39x = 975,445.35 × 384,553.79
  4. Step 4: Simplify right side
    706,841.39x = 375,111,206,280.38
  5. Step 5: Solve for x
    x = 375,111,206,280.38/706,841.39
  6. Step 6: Final answer
    x = 530,686.54

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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.