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Finding the Fourth Proportional to 250,262.89, 375,430.95 and 72,746.83

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Solution

The fourth proportional to 250,262.89, 375,430.95 and 72,746.83 is: 109,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,262.89 : 375,430.95 = 72,746.83 : x
  2. Step 2: Convert to fraction form
    250,262.89/375,430.95 = 72,746.83/x
  3. Step 3: Cross multiply
    250,262.89x = 375,430.95 × 72,746.83
  4. Step 4: Simplify right side
    250,262.89x = 27,311,411,496.39
  5. Step 5: Solve for x
    x = 27,311,411,496.39/250,262.89
  6. Step 6: Final answer
    x = 109,130.89

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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.