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Finding the Fourth Proportional to 713,627.60, 984,851.76 and 471,485.52

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Solution

The fourth proportional to 713,627.60, 984,851.76 and 471,485.52 is: 650,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,627.60 : 984,851.76 = 471,485.52 : x
  2. Step 2: Convert to fraction form
    713,627.60/984,851.76 = 471,485.52/x
  3. Step 3: Cross multiply
    713,627.60x = 984,851.76 × 471,485.52
  4. Step 4: Simplify right side
    713,627.60x = 464,343,344,186.52
  5. Step 5: Solve for x
    x = 464,343,344,186.52/713,627.60
  6. Step 6: Final answer
    x = 650,680.19

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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.