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Finding the Fourth Proportional to 423,046, 583,792.80 and 241,746.40

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Solution

The fourth proportional to 423,046, 583,792.80 and 241,746.40 is: 333,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,046 : 583,792.80 = 241,746.40 : x
  2. Step 2: Convert to fraction form
    423,046/583,792.80 = 241,746.40/x
  3. Step 3: Cross multiply
    423,046x = 583,792.80 × 241,746.40
  4. Step 4: Simplify right side
    423,046x = 141,129,807,745.92
  5. Step 5: Solve for x
    x = 141,129,807,745.92/423,046
  6. Step 6: Final answer
    x = 333,603.93

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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.