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Finding the Fourth Proportional to 464,288.64, 696,433.12 and 127,332.80

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Solution

The fourth proportional to 464,288.64, 696,433.12 and 127,332.80 is: 190,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,288.64 : 696,433.12 = 127,332.80 : x
  2. Step 2: Convert to fraction form
    464,288.64/696,433.12 = 127,332.80/x
  3. Step 3: Cross multiply
    464,288.64x = 696,433.12 × 127,332.80
  4. Step 4: Simplify right side
    464,288.64x = 88,678,779,182.34
  5. Step 5: Solve for x
    x = 88,678,779,182.34/464,288.64
  6. Step 6: Final answer
    x = 190,999.24

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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.