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Finding the Fourth Proportional to 892,751.64, 1,232,021.32 and 525,254.42

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Solution

The fourth proportional to 892,751.64, 1,232,021.32 and 525,254.42 is: 724,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,751.64 : 1,232,021.32 = 525,254.42 : x
  2. Step 2: Convert to fraction form
    892,751.64/1,232,021.32 = 525,254.42/x
  3. Step 3: Cross multiply
    892,751.64x = 1,232,021.32 × 525,254.42
  4. Step 4: Simplify right side
    892,751.64x = 647,124,643,864.24
  5. Step 5: Solve for x
    x = 647,124,643,864.24/892,751.64
  6. Step 6: Final answer
    x = 724,865.25

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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.