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Finding the Fourth Proportional to 600,554.40, 828,683.34 and 358,785.78

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Solution

The fourth proportional to 600,554.40, 828,683.34 and 358,785.78 is: 495,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,554.40 : 828,683.34 = 358,785.78 : x
  2. Step 2: Convert to fraction form
    600,554.40/828,683.34 = 358,785.78/x
  3. Step 3: Cross multiply
    600,554.40x = 828,683.34 × 358,785.78
  4. Step 4: Simplify right side
    600,554.40x = 297,319,798,514.91
  5. Step 5: Solve for x
    x = 297,319,798,514.91/600,554.40
  6. Step 6: Final answer
    x = 495,075.55

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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.