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Finding the Fourth Proportional to 540,409.84, 745,768.50 and 295,394.93

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Solution

The fourth proportional to 540,409.84, 745,768.50 and 295,394.93 is: 407,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,409.84 : 745,768.50 = 295,394.93 : x
  2. Step 2: Convert to fraction form
    540,409.84/745,768.50 = 295,394.93/x
  3. Step 3: Cross multiply
    540,409.84x = 745,768.50 × 295,394.93
  4. Step 4: Simplify right side
    540,409.84x = 220,296,233,853.71
  5. Step 5: Solve for x
    x = 220,296,233,853.71/540,409.84
  6. Step 6: Final answer
    x = 407,646.60

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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.