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Finding the Fourth Proportional to 4,985,565.60, 7,478,348.40 and 4,985,565.60

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Solution

The fourth proportional to 4,985,565.60, 7,478,348.40 and 4,985,565.60 is: 7,478,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,565.60 : 7,478,348.40 = 4,985,565.60 : x
  2. Step 2: Convert to fraction form
    4,985,565.60/7,478,348.40 = 4,985,565.60/x
  3. Step 3: Cross multiply
    4,985,565.60x = 7,478,348.40 × 4,985,565.60
  4. Step 4: Simplify right side
    4,985,565.60x = 37,283,796,527,855.04
  5. Step 5: Solve for x
    x = 37,283,796,527,855.04/4,985,565.60
  6. Step 6: Final answer
    x = 7,478,348.40

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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.