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Finding the Fourth Proportional to 405,603.55, 559,670.72 and 233,488.26

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Solution

The fourth proportional to 405,603.55, 559,670.72 and 233,488.26 is: 322,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,603.55 : 559,670.72 = 233,488.26 : x
  2. Step 2: Convert to fraction form
    405,603.55/559,670.72 = 233,488.26/x
  3. Step 3: Cross multiply
    405,603.55x = 559,670.72 × 233,488.26
  4. Step 4: Simplify right side
    405,603.55x = 130,676,539,787.39
  5. Step 5: Solve for x
    x = 130,676,539,787.39/405,603.55
  6. Step 6: Final answer
    x = 322,178.00

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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.