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Finding the Fourth Proportional to 423,510.88, 584,464.08 and 253,741.36

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Solution

The fourth proportional to 423,510.88, 584,464.08 and 253,741.36 is: 350,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,510.88 : 584,464.08 = 253,741.36 : x
  2. Step 2: Convert to fraction form
    423,510.88/584,464.08 = 253,741.36/x
  3. Step 3: Cross multiply
    423,510.88x = 584,464.08 × 253,741.36
  4. Step 4: Simplify right side
    423,510.88x = 148,302,710,530.35
  5. Step 5: Solve for x
    x = 148,302,710,530.35/423,510.88
  6. Step 6: Final answer
    x = 350,174.50

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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.