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Finding the Fourth Proportional to 425,731.50, 587,482.56 and 234,746.46

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Solution

The fourth proportional to 425,731.50, 587,482.56 and 234,746.46 is: 323,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,731.50 : 587,482.56 = 234,746.46 : x
  2. Step 2: Convert to fraction form
    425,731.50/587,482.56 = 234,746.46/x
  3. Step 3: Cross multiply
    425,731.50x = 587,482.56 × 234,746.46
  4. Step 4: Simplify right side
    425,731.50x = 137,909,451,271.74
  5. Step 5: Solve for x
    x = 137,909,451,271.74/425,731.50
  6. Step 6: Final answer
    x = 323,935.28

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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.