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Finding the Fourth Proportional to 470,214.42, 648,903.42 and 266,259.84

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Solution

The fourth proportional to 470,214.42, 648,903.42 and 266,259.84 is: 367,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,214.42 : 648,903.42 = 266,259.84 : x
  2. Step 2: Convert to fraction form
    470,214.42/648,903.42 = 266,259.84/x
  3. Step 3: Cross multiply
    470,214.42x = 648,903.42 × 266,259.84
  4. Step 4: Simplify right side
    470,214.42x = 172,776,920,784.65
  5. Step 5: Solve for x
    x = 172,776,920,784.65/470,214.42
  6. Step 6: Final answer
    x = 367,442.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.