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Finding the Fourth Proportional to 524,615.60, 788,478.60 and 456,186.80

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Solution

The fourth proportional to 524,615.60, 788,478.60 and 456,186.80 is: 685,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,615.60 : 788,478.60 = 456,186.80 : x
  2. Step 2: Convert to fraction form
    524,615.60/788,478.60 = 456,186.80/x
  3. Step 3: Cross multiply
    524,615.60x = 788,478.60 × 456,186.80
  4. Step 4: Simplify right side
    524,615.60x = 359,693,529,402.48
  5. Step 5: Solve for x
    x = 359,693,529,402.48/524,615.60
  6. Step 6: Final answer
    x = 685,632.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.