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Finding the Fourth Proportional to 530,879.96, 732,588.47 and 301,407.17

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Solution

The fourth proportional to 530,879.96, 732,588.47 and 301,407.17 is: 415,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,879.96 : 732,588.47 = 301,407.17 : x
  2. Step 2: Convert to fraction form
    530,879.96/732,588.47 = 301,407.17/x
  3. Step 3: Cross multiply
    530,879.96x = 732,588.47 × 301,407.17
  4. Step 4: Simplify right side
    530,879.96x = 220,807,412,347.35
  5. Step 5: Solve for x
    x = 220,807,412,347.35/530,879.96
  6. Step 6: Final answer
    x = 415,927.19

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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.