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Finding the Fourth Proportional to 530,878.13, 732,771.92 and 361,210.67

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Solution

The fourth proportional to 530,878.13, 732,771.92 and 361,210.67 is: 498,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,878.13 : 732,771.92 = 361,210.67 : x
  2. Step 2: Convert to fraction form
    530,878.13/732,771.92 = 361,210.67/x
  3. Step 3: Cross multiply
    530,878.13x = 732,771.92 × 361,210.67
  4. Step 4: Simplify right side
    530,878.13x = 264,685,036,206.26
  5. Step 5: Solve for x
    x = 264,685,036,206.26/530,878.13
  6. Step 6: Final answer
    x = 498,579.66

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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.