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Finding the Fourth Proportional to 954,100, 1,316,602.32 and 524,380.51

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Solution

The fourth proportional to 954,100, 1,316,602.32 and 524,380.51 is: 723,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,100 : 1,316,602.32 = 524,380.51 : x
  2. Step 2: Convert to fraction form
    954,100/1,316,602.32 = 524,380.51/x
  3. Step 3: Cross multiply
    954,100x = 1,316,602.32 × 524,380.51
  4. Step 4: Simplify right side
    954,100x = 690,400,596,028.78
  5. Step 5: Solve for x
    x = 690,400,596,028.78/954,100
  6. Step 6: Final answer
    x = 723,614.50

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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.