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Finding the Fourth Proportional to 569,371.30, 785,776.71 and 314,746.18

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Solution

The fourth proportional to 569,371.30, 785,776.71 and 314,746.18 is: 434,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,371.30 : 785,776.71 = 314,746.18 : x
  2. Step 2: Convert to fraction form
    569,371.30/785,776.71 = 314,746.18/x
  3. Step 3: Cross multiply
    569,371.30x = 785,776.71 × 314,746.18
  4. Step 4: Simplify right side
    569,371.30x = 247,320,217,021.32
  5. Step 5: Solve for x
    x = 247,320,217,021.32/569,371.30
  6. Step 6: Final answer
    x = 434,374.23

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Double scale
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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.