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Finding the Fourth Proportional to 564,265.01, 778,699.17 and 322,570.07

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Solution

The fourth proportional to 564,265.01, 778,699.17 and 322,570.07 is: 445,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,265.01 : 778,699.17 = 322,570.07 : x
  2. Step 2: Convert to fraction form
    564,265.01/778,699.17 = 322,570.07/x
  3. Step 3: Cross multiply
    564,265.01x = 778,699.17 × 322,570.07
  4. Step 4: Simplify right side
    564,265.01x = 251,185,047,722.59
  5. Step 5: Solve for x
    x = 251,185,047,722.59/564,265.01
  6. Step 6: Final answer
    x = 445,154.39

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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.