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Finding the Fourth Proportional to 314,030.77, 470,975.39 and 89,386.22

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Solution

The fourth proportional to 314,030.77, 470,975.39 and 89,386.22 is: 134,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,030.77 : 470,975.39 = 89,386.22 : x
  2. Step 2: Convert to fraction form
    314,030.77/470,975.39 = 89,386.22/x
  3. Step 3: Cross multiply
    314,030.77x = 470,975.39 × 89,386.22
  4. Step 4: Simplify right side
    314,030.77x = 42,098,711,226.03
  5. Step 5: Solve for x
    x = 42,098,711,226.03/314,030.77
  6. Step 6: Final answer
    x = 134,059.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.