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Finding the Fourth Proportional to 576,700.68, 865,483.96 and 217,226.18

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Solution

The fourth proportional to 576,700.68, 865,483.96 and 217,226.18 is: 326,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,700.68 : 865,483.96 = 217,226.18 : x
  2. Step 2: Convert to fraction form
    576,700.68/865,483.96 = 217,226.18/x
  3. Step 3: Cross multiply
    576,700.68x = 865,483.96 × 217,226.18
  4. Step 4: Simplify right side
    576,700.68x = 188,005,774,482.07
  5. Step 5: Solve for x
    x = 188,005,774,482.07/576,700.68
  6. Step 6: Final answer
    x = 326,002.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.