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Finding the Fourth Proportional to 464,969.60, 697,281.60 and 184,428.80

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Solution

The fourth proportional to 464,969.60, 697,281.60 and 184,428.80 is: 276,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,969.60 : 697,281.60 = 184,428.80 : x
  2. Step 2: Convert to fraction form
    464,969.60/697,281.60 = 184,428.80/x
  3. Step 3: Cross multiply
    464,969.60x = 697,281.60 × 184,428.80
  4. Step 4: Simplify right side
    464,969.60x = 128,598,808,750.08
  5. Step 5: Solve for x
    x = 128,598,808,750.08/464,969.60
  6. Step 6: Final answer
    x = 276,574.66

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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.