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Finding the Fourth Proportional to 472,363.26, 651,837.15 and 257,482.14

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Solution

The fourth proportional to 472,363.26, 651,837.15 and 257,482.14 is: 355,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,363.26 : 651,837.15 = 257,482.14 : x
  2. Step 2: Convert to fraction form
    472,363.26/651,837.15 = 257,482.14/x
  3. Step 3: Cross multiply
    472,363.26x = 651,837.15 × 257,482.14
  4. Step 4: Simplify right side
    472,363.26x = 167,836,424,313.50
  5. Step 5: Solve for x
    x = 167,836,424,313.50/472,363.26
  6. Step 6: Final answer
    x = 355,312.19

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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.