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Finding the Fourth Proportional to 586,277, 879,191.32 and 319,895.12

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Solution

The fourth proportional to 586,277, 879,191.32 and 319,895.12 is: 479,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,277 : 879,191.32 = 319,895.12 : x
  2. Step 2: Convert to fraction form
    586,277/879,191.32 = 319,895.12/x
  3. Step 3: Cross multiply
    586,277x = 879,191.32 × 319,895.12
  4. Step 4: Simplify right side
    586,277x = 281,249,012,814.36
  5. Step 5: Solve for x
    x = 281,249,012,814.36/586,277
  6. Step 6: Final answer
    x = 479,720.36

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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.