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Finding the Fourth Proportional to 334,810.66, 502,215.99 and 147,784.90

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Solution

The fourth proportional to 334,810.66, 502,215.99 and 147,784.90 is: 221,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,810.66 : 502,215.99 = 147,784.90 : x
  2. Step 2: Convert to fraction form
    334,810.66/502,215.99 = 147,784.90/x
  3. Step 3: Cross multiply
    334,810.66x = 502,215.99 × 147,784.90
  4. Step 4: Simplify right side
    334,810.66x = 74,219,938,050.82
  5. Step 5: Solve for x
    x = 74,219,938,050.82/334,810.66
  6. Step 6: Final answer
    x = 221,677.35

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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.