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Finding the Fourth Proportional to 364,016.70, 545,830.65 and 153,416.70

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Solution

The fourth proportional to 364,016.70, 545,830.65 and 153,416.70 is: 230,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,016.70 : 545,830.65 = 153,416.70 : x
  2. Step 2: Convert to fraction form
    364,016.70/545,830.65 = 153,416.70/x
  3. Step 3: Cross multiply
    364,016.70x = 545,830.65 × 153,416.70
  4. Step 4: Simplify right side
    364,016.70x = 83,739,537,081.86
  5. Step 5: Solve for x
    x = 83,739,537,081.86/364,016.70
  6. Step 6: Final answer
    x = 230,043.12

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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.