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Finding the Fourth Proportional to 692,204.32, 955,240.12 and 386,277.48

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Solution

The fourth proportional to 692,204.32, 955,240.12 and 386,277.48 is: 533,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,204.32 : 955,240.12 = 386,277.48 : x
  2. Step 2: Convert to fraction form
    692,204.32/955,240.12 = 386,277.48/x
  3. Step 3: Cross multiply
    692,204.32x = 955,240.12 × 386,277.48
  4. Step 4: Simplify right side
    692,204.32x = 368,987,746,348.50
  5. Step 5: Solve for x
    x = 368,987,746,348.50/692,204.32
  6. Step 6: Final answer
    x = 533,061.89

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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.