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Finding the Fourth Proportional to 572,565.20, 858,847.80 and 404,603.60

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Solution

The fourth proportional to 572,565.20, 858,847.80 and 404,603.60 is: 606,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,565.20 : 858,847.80 = 404,603.60 : x
  2. Step 2: Convert to fraction form
    572,565.20/858,847.80 = 404,603.60/x
  3. Step 3: Cross multiply
    572,565.20x = 858,847.80 × 404,603.60
  4. Step 4: Simplify right side
    572,565.20x = 347,492,911,732.08
  5. Step 5: Solve for x
    x = 347,492,911,732.08/572,565.20
  6. Step 6: Final answer
    x = 606,905.40

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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.