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Finding the Fourth Proportional to 617,892.09, 926,925.81 and 191,461.41

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Solution

The fourth proportional to 617,892.09, 926,925.81 and 191,461.41 is: 287,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,892.09 : 926,925.81 = 191,461.41 : x
  2. Step 2: Convert to fraction form
    617,892.09/926,925.81 = 191,461.41/x
  3. Step 3: Cross multiply
    617,892.09x = 926,925.81 × 191,461.41
  4. Step 4: Simplify right side
    617,892.09x = 177,470,522,547.99
  5. Step 5: Solve for x
    x = 177,470,522,547.99/617,892.09
  6. Step 6: Final answer
    x = 287,219.28

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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.