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Finding the Fourth Proportional to 692,203.60, 955,243.13 and 386,292.93

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Solution

The fourth proportional to 692,203.60, 955,243.13 and 386,292.93 is: 533,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,203.60 : 955,243.13 = 386,292.93 : x
  2. Step 2: Convert to fraction form
    692,203.60/955,243.13 = 386,292.93/x
  3. Step 3: Cross multiply
    692,203.60x = 955,243.13 × 386,292.93
  4. Step 4: Simplify right side
    692,203.60x = 369,003,667,550.07
  5. Step 5: Solve for x
    x = 369,003,667,550.07/692,203.60
  6. Step 6: Final answer
    x = 533,085.45

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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.