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Finding the Fourth Proportional to 559,594.40, 772,237.84 and 304,945.60

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Solution

The fourth proportional to 559,594.40, 772,237.84 and 304,945.60 is: 420,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,594.40 : 772,237.84 = 304,945.60 : x
  2. Step 2: Convert to fraction form
    559,594.40/772,237.84 = 304,945.60/x
  3. Step 3: Cross multiply
    559,594.40x = 772,237.84 × 304,945.60
  4. Step 4: Simplify right side
    559,594.40x = 235,490,531,461.50
  5. Step 5: Solve for x
    x = 235,490,531,461.50/559,594.40
  6. Step 6: Final answer
    x = 420,823.60

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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.