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Finding the Fourth Proportional to 423,477.71, 584,400.21 and 232,503.39

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Solution

The fourth proportional to 423,477.71, 584,400.21 and 232,503.39 is: 320,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,477.71 : 584,400.21 = 232,503.39 : x
  2. Step 2: Convert to fraction form
    423,477.71/584,400.21 = 232,503.39/x
  3. Step 3: Cross multiply
    423,477.71x = 584,400.21 × 232,503.39
  4. Step 4: Simplify right side
    423,477.71x = 135,875,029,941.71
  5. Step 5: Solve for x
    x = 135,875,029,941.71/423,477.71
  6. Step 6: Final answer
    x = 320,855.21

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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.