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Finding the Fourth Proportional to 406,772.46, 610,165.10 and 153,985.10

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Solution

The fourth proportional to 406,772.46, 610,165.10 and 153,985.10 is: 230,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,772.46 : 610,165.10 = 153,985.10 : x
  2. Step 2: Convert to fraction form
    406,772.46/610,165.10 = 153,985.10/x
  3. Step 3: Cross multiply
    406,772.46x = 610,165.10 × 153,985.10
  4. Step 4: Simplify right side
    406,772.46x = 93,956,330,119.26
  5. Step 5: Solve for x
    x = 93,956,330,119.26/406,772.46
  6. Step 6: Final answer
    x = 230,980.07

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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.