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Finding the Fourth Proportional to 425,254.08, 586,810.22 and 243,980.94

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Solution

The fourth proportional to 425,254.08, 586,810.22 and 243,980.94 is: 336,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,254.08 : 586,810.22 = 243,980.94 : x
  2. Step 2: Convert to fraction form
    425,254.08/586,810.22 = 243,980.94/x
  3. Step 3: Cross multiply
    425,254.08x = 586,810.22 × 243,980.94
  4. Step 4: Simplify right side
    425,254.08x = 143,170,509,077.21
  5. Step 5: Solve for x
    x = 143,170,509,077.21/425,254.08
  6. Step 6: Final answer
    x = 336,670.51

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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.