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Finding the Fourth Proportional to 463,764.40, 695,646.60 and 358,658.80

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Solution

The fourth proportional to 463,764.40, 695,646.60 and 358,658.80 is: 537,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,764.40 : 695,646.60 = 358,658.80 : x
  2. Step 2: Convert to fraction form
    463,764.40/695,646.60 = 358,658.80/x
  3. Step 3: Cross multiply
    463,764.40x = 695,646.60 × 358,658.80
  4. Step 4: Simplify right side
    463,764.40x = 249,499,774,780.08
  5. Step 5: Solve for x
    x = 249,499,774,780.08/463,764.40
  6. Step 6: Final answer
    x = 537,988.20

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Similar ratio
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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.