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Finding the Fourth Proportional to 513,543.25, 708,562.35 and 332,036.77

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Solution

The fourth proportional to 513,543.25, 708,562.35 and 332,036.77 is: 458,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,543.25 : 708,562.35 = 332,036.77 : x
  2. Step 2: Convert to fraction form
    513,543.25/708,562.35 = 332,036.77/x
  3. Step 3: Cross multiply
    513,543.25x = 708,562.35 × 332,036.77
  4. Step 4: Simplify right side
    513,543.25x = 235,268,748,834.61
  5. Step 5: Solve for x
    x = 235,268,748,834.61/513,543.25
  6. Step 6: Final answer
    x = 458,128.41

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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.