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Finding the Fourth Proportional to 405,232.04, 607,304.72 and 315,383.24

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Solution

The fourth proportional to 405,232.04, 607,304.72 and 315,383.24 is: 472,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,232.04 : 607,304.72 = 315,383.24 : x
  2. Step 2: Convert to fraction form
    405,232.04/607,304.72 = 315,383.24/x
  3. Step 3: Cross multiply
    405,232.04x = 607,304.72 × 315,383.24
  4. Step 4: Simplify right side
    405,232.04x = 191,533,732,567.61
  5. Step 5: Solve for x
    x = 191,533,732,567.61/405,232.04
  6. Step 6: Final answer
    x = 472,652.00

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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.