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Finding the Fourth Proportional to 559,263.34, 771,784.59 and 304,613.74

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Solution

The fourth proportional to 559,263.34, 771,784.59 and 304,613.74 is: 420,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,263.34 : 771,784.59 = 304,613.74 : x
  2. Step 2: Convert to fraction form
    559,263.34/771,784.59 = 304,613.74/x
  3. Step 3: Cross multiply
    559,263.34x = 771,784.59 × 304,613.74
  4. Step 4: Simplify right side
    559,263.34x = 235,096,190,434.27
  5. Step 5: Solve for x
    x = 235,096,190,434.27/559,263.34
  6. Step 6: Final answer
    x = 420,367.60

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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.