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Finding the Fourth Proportional to 662,565.40, 993,848.10 and 617,950.60

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Solution

The fourth proportional to 662,565.40, 993,848.10 and 617,950.60 is: 926,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,565.40 : 993,848.10 = 617,950.60 : x
  2. Step 2: Convert to fraction form
    662,565.40/993,848.10 = 617,950.60/x
  3. Step 3: Cross multiply
    662,565.40x = 993,848.10 × 617,950.60
  4. Step 4: Simplify right side
    662,565.40x = 614,149,029,703.86
  5. Step 5: Solve for x
    x = 614,149,029,703.86/662,565.40
  6. Step 6: Final answer
    x = 926,925.90

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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.