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Finding the Fourth Proportional to 743,332.68, 1,025,712 and 437,341.74

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Solution

The fourth proportional to 743,332.68, 1,025,712 and 437,341.74 is: 603,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,332.68 : 1,025,712 = 437,341.74 : x
  2. Step 2: Convert to fraction form
    743,332.68/1,025,712 = 437,341.74/x
  3. Step 3: Cross multiply
    743,332.68x = 1,025,712 × 437,341.74
  4. Step 4: Simplify right side
    743,332.68x = 448,586,670,818.88
  5. Step 5: Solve for x
    x = 448,586,670,818.88/743,332.68
  6. Step 6: Final answer
    x = 603,480.36

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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.