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Finding the Fourth Proportional to 539,484.19, 744,488.18 and 301,020.19

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Solution

The fourth proportional to 539,484.19, 744,488.18 and 301,020.19 is: 415,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,484.19 : 744,488.18 = 301,020.19 : x
  2. Step 2: Convert to fraction form
    539,484.19/744,488.18 = 301,020.19/x
  3. Step 3: Cross multiply
    539,484.19x = 744,488.18 × 301,020.19
  4. Step 4: Simplify right side
    539,484.19x = 224,105,971,158.86
  5. Step 5: Solve for x
    x = 224,105,971,158.86/539,484.19
  6. Step 6: Final answer
    x = 415,407.86

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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.