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Finding the Fourth Proportional to 356,459.42, 534,689.13 and 119,802.10

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Solution

The fourth proportional to 356,459.42, 534,689.13 and 119,802.10 is: 179,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,459.42 : 534,689.13 = 119,802.10 : x
  2. Step 2: Convert to fraction form
    356,459.42/534,689.13 = 119,802.10/x
  3. Step 3: Cross multiply
    356,459.42x = 534,689.13 × 119,802.10
  4. Step 4: Simplify right side
    356,459.42x = 64,056,880,621.17
  5. Step 5: Solve for x
    x = 64,056,880,621.17/356,459.42
  6. Step 6: Final answer
    x = 179,703.15

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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.