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Finding the Fourth Proportional to 427,904.71, 590,526.95 and 236,918.10

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Solution

The fourth proportional to 427,904.71, 590,526.95 and 236,918.10 is: 326,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,904.71 : 590,526.95 = 236,918.10 : x
  2. Step 2: Convert to fraction form
    427,904.71/590,526.95 = 236,918.10/x
  3. Step 3: Cross multiply
    427,904.71x = 590,526.95 × 236,918.10
  4. Step 4: Simplify right side
    427,904.71x = 139,906,518,855.57
  5. Step 5: Solve for x
    x = 139,906,518,855.57/427,904.71
  6. Step 6: Final answer
    x = 326,957.19

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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.