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Finding the Fourth Proportional to 651,165.60, 974,998.80 and 651,165.60

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Solution

The fourth proportional to 651,165.60, 974,998.80 and 651,165.60 is: 974,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,165.60 : 974,998.80 = 651,165.60 : x
  2. Step 2: Convert to fraction form
    651,165.60/974,998.80 = 651,165.60/x
  3. Step 3: Cross multiply
    651,165.60x = 974,998.80 × 651,165.60
  4. Step 4: Simplify right side
    651,165.60x = 634,885,678,601.28
  5. Step 5: Solve for x
    x = 634,885,678,601.28/651,165.60
  6. Step 6: Final answer
    x = 974,998.80

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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.