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Finding the Fourth Proportional to 314,830.59, 434,684.03 and 254,666.22

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Solution

The fourth proportional to 314,830.59, 434,684.03 and 254,666.22 is: 351,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,830.59 : 434,684.03 = 254,666.22 : x
  2. Step 2: Convert to fraction form
    314,830.59/434,684.03 = 254,666.22/x
  3. Step 3: Cross multiply
    314,830.59x = 434,684.03 × 254,666.22
  4. Step 4: Simplify right side
    314,830.59x = 110,699,338,814.47
  5. Step 5: Solve for x
    x = 110,699,338,814.47/314,830.59
  6. Step 6: Final answer
    x = 351,615.57

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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.