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Finding the Fourth Proportional to 569,210.25, 785,510.16 and 342,899.49

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Solution

The fourth proportional to 569,210.25, 785,510.16 and 342,899.49 is: 473,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,210.25 : 785,510.16 = 342,899.49 : x
  2. Step 2: Convert to fraction form
    569,210.25/785,510.16 = 342,899.49/x
  3. Step 3: Cross multiply
    569,210.25x = 785,510.16 × 342,899.49
  4. Step 4: Simplify right side
    569,210.25x = 269,351,033,253.82
  5. Step 5: Solve for x
    x = 269,351,033,253.82/569,210.25
  6. Step 6: Final answer
    x = 473,201.31

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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.