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Finding the Fourth Proportional to 877,462.32, 1,316,279.88 and 365,022.30

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Solution

The fourth proportional to 877,462.32, 1,316,279.88 and 365,022.30 is: 547,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,462.32 : 1,316,279.88 = 365,022.30 : x
  2. Step 2: Convert to fraction form
    877,462.32/1,316,279.88 = 365,022.30/x
  3. Step 3: Cross multiply
    877,462.32x = 1,316,279.88 × 365,022.30
  4. Step 4: Simplify right side
    877,462.32x = 480,471,509,241.32
  5. Step 5: Solve for x
    x = 480,471,509,241.32/877,462.32
  6. Step 6: Final answer
    x = 547,569.39

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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.