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Finding the Fourth Proportional to 564,561.26, 778,020.59 and 554,186.18

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Solution

The fourth proportional to 564,561.26, 778,020.59 and 554,186.18 is: 763,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,561.26 : 778,020.59 = 554,186.18 : x
  2. Step 2: Convert to fraction form
    564,561.26/778,020.59 = 554,186.18/x
  3. Step 3: Cross multiply
    564,561.26x = 778,020.59 × 554,186.18
  4. Step 4: Simplify right side
    564,561.26x = 431,168,258,733.45
  5. Step 5: Solve for x
    x = 431,168,258,733.45/564,561.26
  6. Step 6: Final answer
    x = 763,722.72

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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.