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Finding the Fourth Proportional to 562,535.93, 776,301.64 and 304,412.85

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Solution

The fourth proportional to 562,535.93, 776,301.64 and 304,412.85 is: 420,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,535.93 : 776,301.64 = 304,412.85 : x
  2. Step 2: Convert to fraction form
    562,535.93/776,301.64 = 304,412.85/x
  3. Step 3: Cross multiply
    562,535.93x = 776,301.64 × 304,412.85
  4. Step 4: Simplify right side
    562,535.93x = 236,316,193,931.04
  5. Step 5: Solve for x
    x = 236,316,193,931.04/562,535.93
  6. Step 6: Final answer
    x = 420,090.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.