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Finding the Fourth Proportional to 504,381.55, 753,357.80 and 456,276.15

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Solution

The fourth proportional to 504,381.55, 753,357.80 and 456,276.15 is: 681,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,381.55 : 753,357.80 = 456,276.15 : x
  2. Step 2: Convert to fraction form
    504,381.55/753,357.80 = 456,276.15/x
  3. Step 3: Cross multiply
    504,381.55x = 753,357.80 × 456,276.15
  4. Step 4: Simplify right side
    504,381.55x = 343,739,196,556.47
  5. Step 5: Solve for x
    x = 343,739,196,556.47/504,381.55
  6. Step 6: Final answer
    x = 681,506.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.