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Finding the Fourth Proportional to 423,561.30, 584,681.13 and 253,762.62

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Solution

The fourth proportional to 423,561.30, 584,681.13 and 253,762.62 is: 350,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,561.30 : 584,681.13 = 253,762.62 : x
  2. Step 2: Convert to fraction form
    423,561.30/584,681.13 = 253,762.62/x
  3. Step 3: Cross multiply
    423,561.30x = 584,681.13 × 253,762.62
  4. Step 4: Simplify right side
    423,561.30x = 148,370,215,413.36
  5. Step 5: Solve for x
    x = 148,370,215,413.36/423,561.30
  6. Step 6: Final answer
    x = 350,292.19

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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.