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Finding the Fourth Proportional to 655,079.16, 904,007.58 and 368,599.56

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Solution

The fourth proportional to 655,079.16, 904,007.58 and 368,599.56 is: 508,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,079.16 : 904,007.58 = 368,599.56 : x
  2. Step 2: Convert to fraction form
    655,079.16/904,007.58 = 368,599.56/x
  3. Step 3: Cross multiply
    655,079.16x = 904,007.58 × 368,599.56
  4. Step 4: Simplify right side
    655,079.16x = 333,216,796,224.67
  5. Step 5: Solve for x
    x = 333,216,796,224.67/655,079.16
  6. Step 6: Final answer
    x = 508,666.46

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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.