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Finding the Fourth Proportional to 334,337.18, 501,509.02 and 85,019.18

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Solution

The fourth proportional to 334,337.18, 501,509.02 and 85,019.18 is: 127,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,337.18 : 501,509.02 = 85,019.18 : x
  2. Step 2: Convert to fraction form
    334,337.18/501,509.02 = 85,019.18/x
  3. Step 3: Cross multiply
    334,337.18x = 501,509.02 × 85,019.18
  4. Step 4: Simplify right side
    334,337.18x = 42,637,885,643.00
  5. Step 5: Solve for x
    x = 42,637,885,643.00/334,337.18
  6. Step 6: Final answer
    x = 127,529.60

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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.