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Finding the Fourth Proportional to 540,242.52, 744,673.23 and 425,339.16

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Solution

The fourth proportional to 540,242.52, 744,673.23 and 425,339.16 is: 586,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,242.52 : 744,673.23 = 425,339.16 : x
  2. Step 2: Convert to fraction form
    540,242.52/744,673.23 = 425,339.16/x
  3. Step 3: Cross multiply
    540,242.52x = 744,673.23 × 425,339.16
  4. Step 4: Simplify right side
    540,242.52x = 316,738,686,122.69
  5. Step 5: Solve for x
    x = 316,738,686,122.69/540,242.52
  6. Step 6: Final answer
    x = 586,289.81

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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.