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Finding the Fourth Proportional to 445,885.76, 615,320.70 and 264,746.58

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Solution

The fourth proportional to 445,885.76, 615,320.70 and 264,746.58 is: 365,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,885.76 : 615,320.70 = 264,746.58 : x
  2. Step 2: Convert to fraction form
    445,885.76/615,320.70 = 264,746.58/x
  3. Step 3: Cross multiply
    445,885.76x = 615,320.70 × 264,746.58
  4. Step 4: Simplify right side
    445,885.76x = 162,904,050,928.21
  5. Step 5: Solve for x
    x = 162,904,050,928.21/445,885.76
  6. Step 6: Final answer
    x = 365,349.30

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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.