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Finding the Fourth Proportional to 423,386.70, 584,280.27 and 232,417.50

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Solution

The fourth proportional to 423,386.70, 584,280.27 and 232,417.50 is: 320,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,386.70 : 584,280.27 = 232,417.50 : x
  2. Step 2: Convert to fraction form
    423,386.70/584,280.27 = 232,417.50/x
  3. Step 3: Cross multiply
    423,386.70x = 584,280.27 × 232,417.50
  4. Step 4: Simplify right side
    423,386.70x = 135,796,959,652.73
  5. Step 5: Solve for x
    x = 135,796,959,652.73/423,386.70
  6. Step 6: Final answer
    x = 320,739.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.