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Finding the Fourth Proportional to 530,920.53, 732,671.33 and 316,068.03

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Solution

The fourth proportional to 530,920.53, 732,671.33 and 316,068.03 is: 436,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,920.53 : 732,671.33 = 316,068.03 : x
  2. Step 2: Convert to fraction form
    530,920.53/732,671.33 = 316,068.03/x
  3. Step 3: Cross multiply
    530,920.53x = 732,671.33 × 316,068.03
  4. Step 4: Simplify right side
    530,920.53x = 231,573,982,330.24
  5. Step 5: Solve for x
    x = 231,573,982,330.24/530,920.53
  6. Step 6: Final answer
    x = 436,174.47

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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.