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Finding the Fourth Proportional to 302,429.05, 453,643.58 and 154,973.05

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Solution

The fourth proportional to 302,429.05, 453,643.58 and 154,973.05 is: 232,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429.05 : 453,643.58 = 154,973.05 : x
  2. Step 2: Convert to fraction form
    302,429.05/453,643.58 = 154,973.05/x
  3. Step 3: Cross multiply
    302,429.05x = 453,643.58 × 154,973.05
  4. Step 4: Simplify right side
    302,429.05x = 70,302,528,430.65
  5. Step 5: Solve for x
    x = 70,302,528,430.65/302,429.05
  6. Step 6: Final answer
    x = 232,459.58

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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.