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Finding the Fourth Proportional to 835,437.60, 1,152,900 and 453,461.04

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Solution

The fourth proportional to 835,437.60, 1,152,900 and 453,461.04 is: 625,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,437.60 : 1,152,900 = 453,461.04 : x
  2. Step 2: Convert to fraction form
    835,437.60/1,152,900 = 453,461.04/x
  3. Step 3: Cross multiply
    835,437.60x = 1,152,900 × 453,461.04
  4. Step 4: Simplify right side
    835,437.60x = 522,795,233,016
  5. Step 5: Solve for x
    x = 522,795,233,016/835,437.60
  6. Step 6: Final answer
    x = 625,774.12

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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.