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Finding the Fourth Proportional to 674,275.03, 930,532.76 and 383,892.36

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Solution

The fourth proportional to 674,275.03, 930,532.76 and 383,892.36 is: 529,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,275.03 : 930,532.76 = 383,892.36 : x
  2. Step 2: Convert to fraction form
    674,275.03/930,532.76 = 383,892.36/x
  3. Step 3: Cross multiply
    674,275.03x = 930,532.76 × 383,892.36
  4. Step 4: Simplify right side
    674,275.03x = 357,224,417,293.71
  5. Step 5: Solve for x
    x = 357,224,417,293.71/674,275.03
  6. Step 6: Final answer
    x = 529,790.37

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Double scale
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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.