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Finding the Fourth Proportional to 530,630.94, 732,034.11 and 358,493.58

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Solution

The fourth proportional to 530,630.94, 732,034.11 and 358,493.58 is: 494,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,630.94 : 732,034.11 = 358,493.58 : x
  2. Step 2: Convert to fraction form
    530,630.94/732,034.11 = 358,493.58/x
  3. Step 3: Cross multiply
    530,630.94x = 732,034.11 × 358,493.58
  4. Step 4: Simplify right side
    530,630.94x = 262,429,528,776.01
  5. Step 5: Solve for x
    x = 262,429,528,776.01/530,630.94
  6. Step 6: Final answer
    x = 494,561.30

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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.