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Finding the Fourth Proportional to 706,904.90, 975,538.80 and 384,615.26

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Solution

The fourth proportional to 706,904.90, 975,538.80 and 384,615.26 is: 530,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,904.90 : 975,538.80 = 384,615.26 : x
  2. Step 2: Convert to fraction form
    706,904.90/975,538.80 = 384,615.26/x
  3. Step 3: Cross multiply
    706,904.90x = 975,538.80 × 384,615.26
  4. Step 4: Simplify right side
    706,904.90x = 375,207,109,202.09
  5. Step 5: Solve for x
    x = 375,207,109,202.09/706,904.90
  6. Step 6: Final answer
    x = 530,774.52

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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.