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Finding the Fourth Proportional to 429,552.76, 592,763.62 and 257,565.65

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Solution

The fourth proportional to 429,552.76, 592,763.62 and 257,565.65 is: 355,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,552.76 : 592,763.62 = 257,565.65 : x
  2. Step 2: Convert to fraction form
    429,552.76/592,763.62 = 257,565.65/x
  3. Step 3: Cross multiply
    429,552.76x = 592,763.62 × 257,565.65
  4. Step 4: Simplify right side
    429,552.76x = 152,675,547,081.65
  5. Step 5: Solve for x
    x = 152,675,547,081.65/429,552.76
  6. Step 6: Final answer
    x = 355,429.09

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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.