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Finding the Fourth Proportional to 314,543.71, 434,088.48 and 236,880.30

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Solution

The fourth proportional to 314,543.71, 434,088.48 and 236,880.30 is: 326,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,543.71 : 434,088.48 = 236,880.30 : x
  2. Step 2: Convert to fraction form
    314,543.71/434,088.48 = 236,880.30/x
  3. Step 3: Cross multiply
    314,543.71x = 434,088.48 × 236,880.30
  4. Step 4: Simplify right side
    314,543.71x = 102,827,009,368.94
  5. Step 5: Solve for x
    x = 102,827,009,368.94/314,543.71
  6. Step 6: Final answer
    x = 326,908.49

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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.