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Finding the Fourth Proportional to 692,277.18, 955,354.95 and 406,003.74

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Solution

The fourth proportional to 692,277.18, 955,354.95 and 406,003.74 is: 560,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,277.18 : 955,354.95 = 406,003.74 : x
  2. Step 2: Convert to fraction form
    692,277.18/955,354.95 = 406,003.74/x
  3. Step 3: Cross multiply
    692,277.18x = 955,354.95 × 406,003.74
  4. Step 4: Simplify right side
    692,277.18x = 387,877,682,727.51
  5. Step 5: Solve for x
    x = 387,877,682,727.51/692,277.18
  6. Step 6: Final answer
    x = 560,292.46

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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.