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Finding the Fourth Proportional to 423,561.71, 584,567.81 and 242,248.47

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Solution

The fourth proportional to 423,561.71, 584,567.81 and 242,248.47 is: 334,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,561.71 : 584,567.81 = 242,248.47 : x
  2. Step 2: Convert to fraction form
    423,561.71/584,567.81 = 242,248.47/x
  3. Step 3: Cross multiply
    423,561.71x = 584,567.81 × 242,248.47
  4. Step 4: Simplify right side
    423,561.71x = 141,610,656,372.51
  5. Step 5: Solve for x
    x = 141,610,656,372.51/423,561.71
  6. Step 6: Final answer
    x = 334,333.00

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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.