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Finding the Fourth Proportional to 581,429.34, 802,332.54 and 326,818.80

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Solution

The fourth proportional to 581,429.34, 802,332.54 and 326,818.80 is: 450,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,429.34 : 802,332.54 = 326,818.80 : x
  2. Step 2: Convert to fraction form
    581,429.34/802,332.54 = 326,818.80/x
  3. Step 3: Cross multiply
    581,429.34x = 802,332.54 × 326,818.80
  4. Step 4: Simplify right side
    581,429.34x = 262,217,357,923.75
  5. Step 5: Solve for x
    x = 262,217,357,923.75/581,429.34
  6. Step 6: Final answer
    x = 450,987.49

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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.