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Finding the Fourth Proportional to 545,776.44, 752,883.18 and 375,715.32

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Solution

The fourth proportional to 545,776.44, 752,883.18 and 375,715.32 is: 518,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,776.44 : 752,883.18 = 375,715.32 : x
  2. Step 2: Convert to fraction form
    545,776.44/752,883.18 = 375,715.32/x
  3. Step 3: Cross multiply
    545,776.44x = 752,883.18 × 375,715.32
  4. Step 4: Simplify right side
    545,776.44x = 282,869,744,896.32
  5. Step 5: Solve for x
    x = 282,869,744,896.32/545,776.44
  6. Step 6: Final answer
    x = 518,288.67

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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.