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Finding the Fourth Proportional to 452,038.32, 623,820.79 and 248,108.32

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Solution

The fourth proportional to 452,038.32, 623,820.79 and 248,108.32 is: 342,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,038.32 : 623,820.79 = 248,108.32 : x
  2. Step 2: Convert to fraction form
    452,038.32/623,820.79 = 248,108.32/x
  3. Step 3: Cross multiply
    452,038.32x = 623,820.79 × 248,108.32
  4. Step 4: Simplify right side
    452,038.32x = 154,775,125,768.89
  5. Step 5: Solve for x
    x = 154,775,125,768.89/452,038.32
  6. Step 6: Final answer
    x = 342,393.82

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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.