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Finding the Fourth Proportional to 416,925.96, 575,556.18 and 279,341.79

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Solution

The fourth proportional to 416,925.96, 575,556.18 and 279,341.79 is: 385,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,925.96 : 575,556.18 = 279,341.79 : x
  2. Step 2: Convert to fraction form
    416,925.96/575,556.18 = 279,341.79/x
  3. Step 3: Cross multiply
    416,925.96x = 575,556.18 × 279,341.79
  4. Step 4: Simplify right side
    416,925.96x = 160,776,893,566.76
  5. Step 5: Solve for x
    x = 160,776,893,566.76/416,925.96
  6. Step 6: Final answer
    x = 385,624.57

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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.