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Finding the Fourth Proportional to 581,609.40, 872,154.90 and 226,505.40

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Solution

The fourth proportional to 581,609.40, 872,154.90 and 226,505.40 is: 339,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,609.40 : 872,154.90 = 226,505.40 : x
  2. Step 2: Convert to fraction form
    581,609.40/872,154.90 = 226,505.40/x
  3. Step 3: Cross multiply
    581,609.40x = 872,154.90 × 226,505.40
  4. Step 4: Simplify right side
    581,609.40x = 197,547,794,486.46
  5. Step 5: Solve for x
    x = 197,547,794,486.46/581,609.40
  6. Step 6: Final answer
    x = 339,657.16

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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.