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Finding the Fourth Proportional to 706,526.77, 975,014.40 and 384,236.78

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Solution

The fourth proportional to 706,526.77, 975,014.40 and 384,236.78 is: 530,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,526.77 : 975,014.40 = 384,236.78 : x
  2. Step 2: Convert to fraction form
    706,526.77/975,014.40 = 384,236.78/x
  3. Step 3: Cross multiply
    706,526.77x = 975,014.40 × 384,236.78
  4. Step 4: Simplify right side
    706,526.77x = 374,636,386,713.38
  5. Step 5: Solve for x
    x = 374,636,386,713.38/706,526.77
  6. Step 6: Final answer
    x = 530,250.81

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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.