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Finding the Fourth Proportional to 530,305.16, 732,559.07 and 510,619.05

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Solution

The fourth proportional to 530,305.16, 732,559.07 and 510,619.05 is: 705,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,305.16 : 732,559.07 = 510,619.05 : x
  2. Step 2: Convert to fraction form
    530,305.16/732,559.07 = 510,619.05/x
  3. Step 3: Cross multiply
    530,305.16x = 732,559.07 × 510,619.05
  4. Step 4: Simplify right side
    530,305.16x = 374,058,617,668.83
  5. Step 5: Solve for x
    x = 374,058,617,668.83/530,305.16
  6. Step 6: Final answer
    x = 705,364.85

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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.