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Finding the Fourth Proportional to 695,088, 960,008.76 and 468,339.84

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Solution

The fourth proportional to 695,088, 960,008.76 and 468,339.84 is: 646,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,088 : 960,008.76 = 468,339.84 : x
  2. Step 2: Convert to fraction form
    695,088/960,008.76 = 468,339.84/x
  3. Step 3: Cross multiply
    695,088x = 960,008.76 × 468,339.84
  4. Step 4: Simplify right side
    695,088x = 449,610,349,057.00
  5. Step 5: Solve for x
    x = 449,610,349,057.00/695,088
  6. Step 6: Final answer
    x = 646,839.46

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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.