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Finding the Fourth Proportional to 530,436.16, 732,017.69 and 326,604.70

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Solution

The fourth proportional to 530,436.16, 732,017.69 and 326,604.70 is: 450,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,436.16 : 732,017.69 = 326,604.70 : x
  2. Step 2: Convert to fraction form
    530,436.16/732,017.69 = 326,604.70/x
  3. Step 3: Cross multiply
    530,436.16x = 732,017.69 × 326,604.70
  4. Step 4: Simplify right side
    530,436.16x = 239,080,415,798.84
  5. Step 5: Solve for x
    x = 239,080,415,798.84/530,436.16
  6. Step 6: Final answer
    x = 450,724.21

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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.