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Finding the Fourth Proportional to 504,010.80, 754,979.40 and 346,417.20

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Solution

The fourth proportional to 504,010.80, 754,979.40 and 346,417.20 is: 518,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.80 : 754,979.40 = 346,417.20 : x
  2. Step 2: Convert to fraction form
    504,010.80/754,979.40 = 346,417.20/x
  3. Step 3: Cross multiply
    504,010.80x = 754,979.40 × 346,417.20
  4. Step 4: Simplify right side
    504,010.80x = 261,537,849,805.68
  5. Step 5: Solve for x
    x = 261,537,849,805.68/504,010.80
  6. Step 6: Final answer
    x = 518,913.19

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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.