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Finding the Fourth Proportional to 576,269.40, 865,181.70 and 366,317.40

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Solution

The fourth proportional to 576,269.40, 865,181.70 and 366,317.40 is: 549,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,269.40 : 865,181.70 = 366,317.40 : x
  2. Step 2: Convert to fraction form
    576,269.40/865,181.70 = 366,317.40/x
  3. Step 3: Cross multiply
    576,269.40x = 865,181.70 × 366,317.40
  4. Step 4: Simplify right side
    576,269.40x = 316,931,110,871.58
  5. Step 5: Solve for x
    x = 316,931,110,871.58/576,269.40
  6. Step 6: Final answer
    x = 549,970.40

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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.