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Finding the Fourth Proportional to 524,615.10, 788,477.85 and 456,186.30

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Solution

The fourth proportional to 524,615.10, 788,477.85 and 456,186.30 is: 685,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,615.10 : 788,477.85 = 456,186.30 : x
  2. Step 2: Convert to fraction form
    524,615.10/788,477.85 = 456,186.30/x
  3. Step 3: Cross multiply
    524,615.10x = 788,477.85 × 456,186.30
  4. Step 4: Simplify right side
    524,615.10x = 359,692,793,023.46
  5. Step 5: Solve for x
    x = 359,692,793,023.46/524,615.10
  6. Step 6: Final answer
    x = 685,631.80

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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.