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Finding the Fourth Proportional to 676,127.68, 933,688.32 and 434,829.24

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Solution

The fourth proportional to 676,127.68, 933,688.32 and 434,829.24 is: 600,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,127.68 : 933,688.32 = 434,829.24 : x
  2. Step 2: Convert to fraction form
    676,127.68/933,688.32 = 434,829.24/x
  3. Step 3: Cross multiply
    676,127.68x = 933,688.32 × 434,829.24
  4. Step 4: Simplify right side
    676,127.68x = 405,994,982,582.48
  5. Step 5: Solve for x
    x = 405,994,982,582.48/676,127.68
  6. Step 6: Final answer
    x = 600,470.88

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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.