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Finding the Fourth Proportional to 462,547.10, 693,931.08 and 147,004.58

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Solution

The fourth proportional to 462,547.10, 693,931.08 and 147,004.58 is: 220,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,547.10 : 693,931.08 = 147,004.58 : x
  2. Step 2: Convert to fraction form
    462,547.10/693,931.08 = 147,004.58/x
  3. Step 3: Cross multiply
    462,547.10x = 693,931.08 × 147,004.58
  4. Step 4: Simplify right side
    462,547.10x = 102,011,046,964.35
  5. Step 5: Solve for x
    x = 102,011,046,964.35/462,547.10
  6. Step 6: Final answer
    x = 220,541.97

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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.