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Finding the Fourth Proportional to 438,032.79, 604,485.24 and 236,828.79

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Solution

The fourth proportional to 438,032.79, 604,485.24 and 236,828.79 is: 326,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,032.79 : 604,485.24 = 236,828.79 : x
  2. Step 2: Convert to fraction form
    438,032.79/604,485.24 = 236,828.79/x
  3. Step 3: Cross multiply
    438,032.79x = 604,485.24 × 236,828.79
  4. Step 4: Simplify right side
    438,032.79x = 143,159,507,962.06
  5. Step 5: Solve for x
    x = 143,159,507,962.06/438,032.79
  6. Step 6: Final answer
    x = 326,823.72

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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.