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Finding the Fourth Proportional to 695,089, 960,010.14 and 468,340.84

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Solution

The fourth proportional to 695,089, 960,010.14 and 468,340.84 is: 646,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,089 : 960,010.14 = 468,340.84 : x
  2. Step 2: Convert to fraction form
    695,089/960,010.14 = 468,340.84/x
  3. Step 3: Cross multiply
    695,089x = 960,010.14 × 468,340.84
  4. Step 4: Simplify right side
    695,089x = 449,611,955,376.12
  5. Step 5: Solve for x
    x = 449,611,955,376.12/695,089
  6. Step 6: Final answer
    x = 646,840.84

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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.