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Finding the Fourth Proportional to 530.98, 732.76 and 294.93

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Solution

The fourth proportional to 530.98, 732.76 and 294.93 is: 407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.98 : 732.76 = 294.93 : x
  2. Step 2: Convert to fraction form
    530.98/732.76 = 294.93/x
  3. Step 3: Cross multiply
    530.98x = 732.76 × 294.93
  4. Step 4: Simplify right side
    530.98x = 216,115.89
  5. Step 5: Solve for x
    x = 216,115.89/530.98
  6. Step 6: Final answer
    x = 407.01

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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.