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Finding the Fourth Proportional to 631,439.79, 947,533.44 and 232,360.89

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Solution

The fourth proportional to 631,439.79, 947,533.44 and 232,360.89 is: 348,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,439.79 : 947,533.44 = 232,360.89 : x
  2. Step 2: Convert to fraction form
    631,439.79/947,533.44 = 232,360.89/x
  3. Step 3: Cross multiply
    631,439.79x = 947,533.44 × 232,360.89
  4. Step 4: Simplify right side
    631,439.79x = 220,169,710,741.27
  5. Step 5: Solve for x
    x = 220,169,710,741.27/631,439.79
  6. Step 6: Final answer
    x = 348,678.87

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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.