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Finding the Fourth Proportional to 443,712.93, 612,323.87 and 242,508.93

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Solution

The fourth proportional to 443,712.93, 612,323.87 and 242,508.93 is: 334,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,712.93 : 612,323.87 = 242,508.93 : x
  2. Step 2: Convert to fraction form
    443,712.93/612,323.87 = 242,508.93/x
  3. Step 3: Cross multiply
    443,712.93x = 612,323.87 × 242,508.93
  4. Step 4: Simplify right side
    443,712.93x = 148,494,005,314.61
  5. Step 5: Solve for x
    x = 148,494,005,314.61/443,712.93
  6. Step 6: Final answer
    x = 334,662.34

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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.