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Finding the Fourth Proportional to 346,547.80, 519,773.10 and 109,914.40

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Solution

The fourth proportional to 346,547.80, 519,773.10 and 109,914.40 is: 164,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,547.80 : 519,773.10 = 109,914.40 : x
  2. Step 2: Convert to fraction form
    346,547.80/519,773.10 = 109,914.40/x
  3. Step 3: Cross multiply
    346,547.80x = 519,773.10 × 109,914.40
  4. Step 4: Simplify right side
    346,547.80x = 57,130,548,422.64
  5. Step 5: Solve for x
    x = 57,130,548,422.64/346,547.80
  6. Step 6: Final answer
    x = 164,856.19

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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.