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Finding the Fourth Proportional to 655,084.40, 904,010.62 and 368,598.76

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Solution

The fourth proportional to 655,084.40, 904,010.62 and 368,598.76 is: 508,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,084.40 : 904,010.62 = 368,598.76 : x
  2. Step 2: Convert to fraction form
    655,084.40/904,010.62 = 368,598.76/x
  3. Step 3: Cross multiply
    655,084.40x = 904,010.62 × 368,598.76
  4. Step 4: Simplify right side
    655,084.40x = 333,217,193,558.83
  5. Step 5: Solve for x
    x = 333,217,193,558.83/655,084.40
  6. Step 6: Final answer
    x = 508,663.00

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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.