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Finding the Fourth Proportional to 508,124.61, 700,598.97 and 439,090.74

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Solution

The fourth proportional to 508,124.61, 700,598.97 and 439,090.74 is: 605,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,124.61 : 700,598.97 = 439,090.74 : x
  2. Step 2: Convert to fraction form
    508,124.61/700,598.97 = 439,090.74/x
  3. Step 3: Cross multiply
    508,124.61x = 700,598.97 × 439,090.74
  4. Step 4: Simplify right side
    508,124.61x = 307,626,520,180.54
  5. Step 5: Solve for x
    x = 307,626,520,180.54/508,124.61
  6. Step 6: Final answer
    x = 605,415.51

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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.