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Finding the Fourth Proportional to 530,707.55, 732,279.29 and 301,274.24

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Solution

The fourth proportional to 530,707.55, 732,279.29 and 301,274.24 is: 415,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,707.55 : 732,279.29 = 301,274.24 : x
  2. Step 2: Convert to fraction form
    530,707.55/732,279.29 = 301,274.24/x
  3. Step 3: Cross multiply
    530,707.55x = 732,279.29 × 301,274.24
  4. Step 4: Simplify right side
    530,707.55x = 220,616,881,394.72
  5. Step 5: Solve for x
    x = 220,616,881,394.72/530,707.55
  6. Step 6: Final answer
    x = 415,703.31

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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.