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Finding the Fourth Proportional to 676,762.57, 933,932.34 and 404,841.93

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Solution

The fourth proportional to 676,762.57, 933,932.34 and 404,841.93 is: 558,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,762.57 : 933,932.34 = 404,841.93 : x
  2. Step 2: Convert to fraction form
    676,762.57/933,932.34 = 404,841.93/x
  3. Step 3: Cross multiply
    676,762.57x = 933,932.34 × 404,841.93
  4. Step 4: Simplify right side
    676,762.57x = 378,094,971,015.02
  5. Step 5: Solve for x
    x = 378,094,971,015.02/676,762.57
  6. Step 6: Final answer
    x = 558,681.86

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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.