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Finding the Fourth Proportional to 429,052.20, 592,009.86 and 245,349.08

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Solution

The fourth proportional to 429,052.20, 592,009.86 and 245,349.08 is: 338,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,052.20 : 592,009.86 = 245,349.08 : x
  2. Step 2: Convert to fraction form
    429,052.20/592,009.86 = 245,349.08/x
  3. Step 3: Cross multiply
    429,052.20x = 592,009.86 × 245,349.08
  4. Step 4: Simplify right side
    429,052.20x = 145,249,074,501.93
  5. Step 5: Solve for x
    x = 145,249,074,501.93/429,052.20
  6. Step 6: Final answer
    x = 338,534.74

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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.