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Finding the Fourth Proportional to 523,444.40, 785,166.60 and 488,452.40

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Solution

The fourth proportional to 523,444.40, 785,166.60 and 488,452.40 is: 732,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,444.40 : 785,166.60 = 488,452.40 : x
  2. Step 2: Convert to fraction form
    523,444.40/785,166.60 = 488,452.40/x
  3. Step 3: Cross multiply
    523,444.40x = 785,166.60 × 488,452.40
  4. Step 4: Simplify right side
    523,444.40x = 383,516,510,169.84
  5. Step 5: Solve for x
    x = 383,516,510,169.84/523,444.40
  6. Step 6: Final answer
    x = 732,678.60

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Double scale
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Similar ratio
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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.