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Finding the Fourth Proportional to 423,485.16, 584,391.15 and 232,501.74

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Solution

The fourth proportional to 423,485.16, 584,391.15 and 232,501.74 is: 320,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,485.16 : 584,391.15 = 232,501.74 : x
  2. Step 2: Convert to fraction form
    423,485.16/584,391.15 = 232,501.74/x
  3. Step 3: Cross multiply
    423,485.16x = 584,391.15 × 232,501.74
  4. Step 4: Simplify right side
    423,485.16x = 135,871,959,215.60
  5. Step 5: Solve for x
    x = 135,871,959,215.60/423,485.16
  6. Step 6: Final answer
    x = 320,842.32

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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.