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Finding the Fourth Proportional to 448,411.44, 619,061.24 and 297,714.48

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Solution

The fourth proportional to 448,411.44, 619,061.24 and 297,714.48 is: 411,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,411.44 : 619,061.24 = 297,714.48 : x
  2. Step 2: Convert to fraction form
    448,411.44/619,061.24 = 297,714.48/x
  3. Step 3: Cross multiply
    448,411.44x = 619,061.24 × 297,714.48
  4. Step 4: Simplify right side
    448,411.44x = 184,303,495,154.76
  5. Step 5: Solve for x
    x = 184,303,495,154.76/448,411.44
  6. Step 6: Final answer
    x = 411,014.26

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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.