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Finding the Fourth Proportional to 569,362.62, 785,211.42 and 472,412.91

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Solution

The fourth proportional to 569,362.62, 785,211.42 and 472,412.91 is: 651,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,362.62 : 785,211.42 = 472,412.91 : x
  2. Step 2: Convert to fraction form
    569,362.62/785,211.42 = 472,412.91/x
  3. Step 3: Cross multiply
    569,362.62x = 785,211.42 × 472,412.91
  4. Step 4: Simplify right side
    569,362.62x = 370,944,011,887.43
  5. Step 5: Solve for x
    x = 370,944,011,887.43/569,362.62
  6. Step 6: Final answer
    x = 651,507.49

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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.